X is a random variable that follows the normal distribution with mean = 4 and standard deviation = 1.5.

X ~ N(mean=4,sd=1.5)

Let Y = X + 5

X = rnorm(n=1000,mean=4,sd=1.5)
print(X)
##    [1]  5.54486182  3.82663992  2.49659289  4.41897524  7.19572786
##    [6]  3.63170370  4.48630530  4.87003744  3.08519322  2.81337892
##   [11]  2.03162436  5.68800874  6.08243347  4.38338502  3.07825957
##   [16]  5.60337234  2.49725097  6.21990025  4.70987838  3.20501189
##   [21]  2.17120108 -0.88818713  3.30889652  6.14034773  3.52191298
##   [26]  4.74104448  4.67583115  4.06986869  3.67424213  4.31999042
##   [31]  5.50335652  5.00241052  2.49066934  3.22065039  2.89163566
##   [36]  3.36942758  4.01556865  3.72540583  3.33254880  2.78471407
##   [41]  4.61191182  6.31870568  4.41386170  0.98772336  6.98305228
##   [46]  3.92433664  4.97662018  2.97460663  3.15640545  4.27169684
##   [51]  3.68443024  5.79558153  3.87968911  2.89246893  2.21128315
##   [56]  4.60010044  4.58492126  2.24871274  4.84346321  2.95249820
##   [61]  1.33862801  3.40341056  5.26317758  4.38580240  2.96547649
##   [66]  0.11785257  4.73976494  2.87891198  6.00668491  7.00371748
##   [71]  3.54886376  7.90474138  4.84893117  3.89506183  4.14947247
##   [76]  6.71833012  5.57104897  2.19685469  5.61747747  2.96012646
##   [81]  3.67654088  5.08382980  3.44820160  4.34488944  2.43903174
##   [86]  5.78542617  4.82875348  4.77980835  5.22667648  4.70550789
##   [91]  5.25168820  4.83234897  5.85542490  5.95149328  6.13365157
##   [96]  3.97943255  4.08284076  5.81396528  2.80386340  3.49475239
##  [101]  4.44288959  4.73963694  2.85126119  2.91485637  5.42333203
##  [106]  3.29972175  5.48739526  3.32700423  1.76821895  2.14172155
##  [111]  3.33967566  2.25758735  3.37825183  3.19486834  4.23350275
##  [116]  6.17479061  3.12978203  6.84185921  4.08633274  1.88308228
##  [121]  3.79239518  5.12088474  4.22309350  3.12823853  4.67316489
##  [126]  5.96602093  4.71661678  1.93265903  7.45126949  2.04366711
##  [131]  8.01547862  6.30738443  4.37032156  2.23296572  4.68235919
##  [136]  2.45322089  1.20308287  3.86687468  6.83633414  1.98625600
##  [141]  3.40745811  2.69877206  5.59139377  4.48059998  2.01124427
##  [146]  0.94068500  5.90353362  3.09494895  3.53933061  2.02979236
##  [151]  7.48159226  4.69148312  4.32502523  4.55549198  1.11206281
##  [156]  5.18172080  1.40961296  4.05946149  3.70980385  6.98695467
##  [161]  2.85340922  5.42775885  5.32534861  4.26603118  4.17658259
##  [166]  4.13018433  4.75753065  4.29048753  3.13902816  2.69446766
##  [171]  2.92181476  3.79002822  2.39862956  5.22719748  5.47218800
##  [176]  3.69069834  4.09218186  5.21228028  1.82281546  2.34208046
##  [181]  4.37377559  4.22010449  0.16595803 -0.05589890  5.16086137
##  [186]  4.40914190  6.03772687  4.04149883  4.66080179  5.11418306
##  [191]  5.75374587  3.42526198  6.31515780  4.99400312  3.41568885
##  [196]  4.28913167  5.51981271  6.70535520  2.34809178  4.49514369
##  [201]  4.20474289  0.97203898  4.86115964  3.63856121  1.68782395
##  [206]  3.10503582  6.12492466  0.84476468  3.63731645  4.55631549
##  [211]  5.55032661  4.60680334  2.26056893  6.91191641  4.38394479
##  [216]  3.70660269  3.51560707  3.61043202  1.81620232  3.76809751
##  [221]  3.18320042  2.27263660  4.31435955  2.81585818  6.82168044
##  [226]  4.41213488  3.96478200  5.15840874  5.10223961  4.30225926
##  [231] -0.61314550  2.82422681  6.67321313  3.88549910  4.03846154
##  [236]  2.72811191  5.23285132  5.57597437  6.05232800  7.04068567
##  [241]  4.63030168  2.43994106  5.90999598  2.79744936  0.99169394
##  [246]  1.59660345  1.04567380  3.30440654  1.85577126  4.55699846
##  [251]  3.94420313  5.36108990  4.95197449  2.29301501  2.99314813
##  [256]  7.86009058  3.42494279  0.78640920  3.49701462  2.88799157
##  [261]  6.71293529  2.06859918  6.02016430  0.14322807  0.83138453
##  [266]  4.66284468  2.10961719  4.29725653  2.60765094  4.60878207
##  [271]  1.10307705  5.95422672  2.20738114  2.40858592  5.01340154
##  [276]  4.68372154  5.32296440  1.89658711  6.23527354  5.45983731
##  [281]  3.61519104  2.89473456  2.93526145  6.50672585  2.11840797
##  [286]  4.82287100  3.74157537  3.26805595  4.77190541  1.62974582
##  [291]  2.93684211  4.81518382  3.06761205  4.56595640  3.88803314
##  [296]  3.87881363  4.80628667  1.94127875  4.23054533  4.05700807
##  [301]  6.23390684  4.23897377  3.43498117  4.04421828  3.95492292
##  [306]  2.79783425  6.46832557  4.85740165 -0.07620504  2.93509338
##  [311]  4.90989442  2.69774023  3.20594802  3.09494614  2.97084308
##  [316]  4.42377627  2.96195692  1.30692050  3.92168235  3.74380579
##  [321]  2.03105863  3.61577975  2.34428817  3.28792997  4.56043507
##  [326]  4.38104757  3.07011625  2.83957900  2.48403244  3.09253667
##  [331]  4.51852970  7.15749779  1.35858044  5.23320664  2.80761877
##  [336]  5.13961937  5.86885958  8.10663814  5.61977169  5.00254759
##  [341]  4.89879537  3.11616286  4.06490296  6.33355591  3.98606344
##  [346]  3.33663757  4.08279061  2.54291248  4.37802631  4.23090692
##  [351]  2.13462121  6.10147404  5.05442410  3.03455592  7.30940433
##  [356]  4.92495096  3.24664345  4.84949229  7.44253578  4.27491032
##  [361]  1.39615758  5.55064120  1.21285901  4.00181643  4.45518737
##  [366]  1.87966012  5.49342859  3.90773124  4.75323509  4.39139170
##  [371]  6.57048004  2.64668708  3.35761243  0.99124105  4.14185637
##  [376]  3.05847964  4.22621801  3.78815077  5.89170929  4.68676022
##  [381] -0.66972324  2.83011316  5.21426932  3.20163613  5.53841001
##  [386]  5.72459251  4.45557345  1.56482817  6.95141805  4.13181933
##  [391]  6.08412606  2.87356837  6.54441085  2.73997982  4.66563475
##  [396]  3.47944118  3.28599437  3.97844344  4.59500415  4.48000676
##  [401]  5.86577436  1.51585441  2.50982221  3.76669081  3.95429542
##  [406]  3.26035929  4.06830354  3.87680305  2.65640548  2.32180423
##  [411]  3.86122443  5.31814661  3.69140210  1.85358509  3.40044212
##  [416]  2.56512045  4.11924820  3.15123472  2.73464515  3.69992853
##  [421]  2.92016759  4.87767963  3.09590726  5.82019094  4.12640436
##  [426]  3.92905134  6.84318494  2.39509242  5.01456801  4.80408961
##  [431]  4.62087522  5.70885655  2.51536994  4.54794971  3.39816023
##  [436]  3.73865690  6.45114091  5.49673077  4.35785967  5.09514152
##  [441]  6.58680779  4.31300436  4.17510248  3.98912888  1.00523586
##  [446]  2.26554552  4.98629893  3.48165630  1.75889074  3.95267852
##  [451]  5.01567127  2.31747625  3.81278765  2.51775993  4.54048205
##  [456]  3.77281297  2.30209664  5.54578090  5.33879039  3.45346657
##  [461]  3.05859122  2.62400865  4.86781863  1.79183434  7.34387326
##  [466]  3.22840104  4.02967407  3.22033008  5.14887938  4.30228442
##  [471]  3.70075925  3.23159439  8.30313070  5.60680397  0.25620544
##  [476]  2.73170514  3.64683133  3.31968378  3.54198684  4.97147298
##  [481]  4.50344287  1.98374735  5.65797129  3.40912542  2.26198181
##  [486]  6.73552454  1.94709180  4.70277413  4.65871464  0.81320561
##  [491]  3.15475339  4.10449067  4.91378173  0.44257339  5.19877456
##  [496]  5.14832004  1.46323623  4.98616687  3.20961096  2.90986530
##  [501]  2.88530920  2.44268995  3.77990317  3.85687979  2.97438607
##  [506]  6.22548489  3.11638953  6.89455924  4.77073821  4.99725834
##  [511]  5.04671850  3.33048149  2.50871942  1.43698970  2.43654605
##  [516]  2.03776123  1.63625212  6.48006990  5.37379221  6.48271652
##  [521]  2.09815592  1.53395713  2.45843653  2.62385399  3.67102899
##  [526]  2.67836223  3.22779986  4.21702607  5.40103676  1.84513661
##  [531]  5.60470138  6.49057529  4.15762263  7.10963000  4.85172142
##  [536]  1.07402253  0.81281723  3.80919034  5.44793676  2.69523854
##  [541]  3.85181901  5.46177358  4.88406471  4.82111816  4.01287231
##  [546]  4.91855892  3.09280547  5.76711182  4.52031837  2.40108217
##  [551]  3.88933547  6.06883444  2.92765702  5.44489866  5.16271283
##  [556]  5.80540088  4.57935914  5.29648890  4.14685060  2.48841930
##  [561]  4.34710073  3.72508595  3.77447815  2.45138864  5.09378977
##  [566]  4.96075060  7.73456584  3.30801679  4.24238871  4.89461982
##  [571]  1.03368053  4.84327658  4.61034633  3.90615917  2.68123524
##  [576]  2.10950793  0.63778036  3.58119702  5.10637435  3.99443738
##  [581]  3.61459524  1.13219339  5.91770711  4.11168941  4.85862636
##  [586]  5.23672487  3.67128763  3.88376482  6.10241283  3.69775737
##  [591]  3.26481682  4.00282585  3.02467324  6.61037102  5.68679037
##  [596]  4.90290903  5.29407332  3.63884366  5.88952925  4.28693765
##  [601]  2.93501798  4.74594831  3.65243629  3.43562627  4.15043648
##  [606]  3.62677949  0.92625507  4.24412976  5.77633811  4.87498454
##  [611]  3.75525644  5.33546706  5.65267912  3.95469383  3.24321127
##  [616]  3.12321751  2.69110987  6.63048664  5.37775292  1.71292560
##  [621]  5.02000783  2.90407219  5.02628902  3.43400616  2.82796764
##  [626]  2.26662298  4.99793853  6.54063449  3.51419332  3.47718710
##  [631]  1.91243149  2.21346398  2.40187282  4.25491295  2.85324964
##  [636]  1.58951493  3.37190761  4.13465460  3.96589376  7.19283593
##  [641]  4.48352294  4.82718707  2.28603036  5.04469021  7.13340286
##  [646]  4.35436921  4.34582250  1.97558975  3.14190896  8.39979729
##  [651]  4.85931825  4.51671984  3.30344657  4.80523538  2.18658738
##  [656]  3.68947212  4.92135357  3.81002351  3.64397974  4.20882126
##  [661]  4.97216376  4.38173349  1.54147490  2.96988778  6.06781072
##  [666]  2.99487919  5.23969903  5.65986894  5.41434158  0.72005982
##  [671]  3.95168333  4.11362009  6.61333501  3.08285884  2.92694388
##  [676]  5.54665969  2.78081376  4.74740801  5.43422468  6.75037044
##  [681]  4.64920933  5.98344621  5.97934819  3.33206110  5.65185499
##  [686]  2.58867076  6.78597250  3.93126860  1.89007355  3.38474712
##  [691]  4.34929685  1.06840861  5.82900726  5.56178016  5.26976454
##  [696]  2.25646328  4.29010262  4.00497402  2.92161805  6.96685252
##  [701]  1.74260534  4.05625991  3.85585887  5.42092378  5.41133283
##  [706]  3.26605097  2.06364034  6.66614404  3.15308603  3.15125070
##  [711]  3.60503466  2.53293514  0.99940239  3.79809680  4.09262959
##  [716]  5.79035910  6.28606842  2.83501373  6.06742775  6.35725270
##  [721]  3.52503942  5.53371569  1.67226409  1.59715514  3.27845725
##  [726]  4.83608880  1.20224730  4.55150863  6.28725490  5.30505944
##  [731]  4.16741123  4.90258233  3.76863422  2.84694451  3.62110084
##  [736]  2.71876210  5.62931409  5.43204721  4.87398796  4.38135424
##  [741]  2.02407644  2.94151535  1.41658312  4.85681619  6.64576473
##  [746]  1.41070562  2.16878588  6.22888449  4.95127482  2.72213917
##  [751]  2.41022253  1.41210740  3.66291498  4.84370190  3.32159565
##  [756]  4.92046569  4.59242045  5.84890372  4.01867384  3.66097685
##  [761]  5.74558256  6.25169328  3.22220969  4.73247399  5.90855756
##  [766]  5.41931263  6.32211831  5.17889147  2.85227752  5.58937307
##  [771]  3.64641458  3.63602565  6.11567783  5.48356142  5.53326850
##  [776]  3.84830771  5.51374165  3.42764167  5.29887555  5.08131359
##  [781]  5.45698871  2.12373500  2.49382397  0.82453534  5.43118943
##  [786]  5.23528412  1.90081059  1.68460487  6.39319535  5.23507310
##  [791]  3.19536486  5.46295747  5.63410888  6.51024201  2.98162241
##  [796]  3.98802168  2.41389194  3.94828395  4.57890164  5.54084587
##  [801]  3.08184478  3.60492616  2.10902620  3.37432616  1.33138079
##  [806]  4.91369694  3.86956752  3.55739283  0.18136047  4.33103557
##  [811]  4.31216113  4.52627481  2.46148545  5.96926877  5.91891278
##  [816]  4.39487217 -0.84339942  3.85430734  1.85097617  4.06734640
##  [821]  5.37959963  5.00028433  6.11720971  5.89549416  3.67371507
##  [826]  2.75341951  5.23035675  3.97104816  5.37612164  3.01175368
##  [831]  2.26227944  2.66764535  5.37572458  5.80258999  4.56476884
##  [836]  3.87692091  3.47990183  4.72351254  1.20045964  6.61169721
##  [841]  2.50597306  7.32455186  4.21238212  1.18491329  4.34052570
##  [846]  2.77569731  1.22054955  1.87409078  1.16308232  2.86122304
##  [851]  4.34484451  5.76636119  7.80758045  5.32460569  4.39357316
##  [856]  4.62203116  4.52572476  4.71678345  2.54350037  3.11797626
##  [861]  3.91695024  3.96303904  5.37948714  6.40838115  5.37886856
##  [866]  5.28436233  4.76433650  3.61191666  5.92096415  3.23291258
##  [871]  1.76844937  5.96645803  2.35227096  4.04420128  2.91262752
##  [876]  4.41513886  3.59086809  3.57573560  4.51517842  3.68034190
##  [881]  4.07612990  6.28386255  4.76281642  5.61199773  2.30179790
##  [886]  1.02355101  4.09359701  2.38069145  1.62717013  3.65129257
##  [891]  6.31695998  1.35138933  2.15118058  3.79270245  4.46575067
##  [896]  4.94879849  4.05606536  3.67982869  4.23164583  4.61148691
##  [901]  3.00646952  5.65645049  4.41338950  0.95881028  2.62225168
##  [906]  2.56482570  4.39138955  4.26417750  3.66857644  4.29659360
##  [911]  4.75977391  4.01828477  4.15679102  2.82973809  2.79727012
##  [916]  4.17638673  0.98920873  5.18636860  4.26643266  1.60960913
##  [921]  5.43165886  5.05986349  3.75598817  3.80087681  2.75932257
##  [926]  3.19901017  7.53078446  2.84421488  3.90990782  2.76974818
##  [931]  3.45644596  6.10773587  3.33227554  1.90867871  4.42928288
##  [936]  4.78732609  4.62541457  4.16082512  2.28176584  5.33743226
##  [941]  5.14531287  6.27224338  7.07282399  5.51592955  4.35868950
##  [946]  1.36849188  2.84899423  2.67544255  3.20880673  2.61851507
##  [951]  3.75306880  2.92442238  4.70055625  3.08135399  4.82376100
##  [956]  1.77035144  2.65686946  2.09261659  4.95892065  4.83783170
##  [961]  6.60614203  4.08397887  3.06933294  3.76923005  1.48566731
##  [966]  1.16929091  4.08728632  4.78391238  6.51603061  3.37237761
##  [971]  5.71336380  3.77760349  2.22747450  5.79076331  2.09749105
##  [976]  2.71116266  3.79677259  5.25478782  3.36383078  3.48661528
##  [981]  7.53820357  3.89684152  4.17809079  3.67938011  3.02334377
##  [986]  0.93545722  4.76448124  4.36981540  1.23834348  3.09212390
##  [991]  1.66276886  3.52190830  5.39364650  6.39209894  4.29292538
##  [996]  2.66990794  3.32071072  1.91196965  1.25926325  4.77103222
X = rnorm(1000,4,1.5)
Y = X + 5

Mean

mean(Y)
## [1] 9.049838

Standard Deviation

sd(Y)
## [1] 1.502616