Note: \(\mu\) \(\sigma\)

10.1

9.

right tailed, mu

10.

left tailed, p.

11.

two tailed, sigma

12.

right tailed, p

13.

left tailed, mu

14.

two tailed, sigma

15.

Ho: p=.105

H1: p > .105

17.

Ho: mu = 218600

H1: mu > 218600

19.

Ho: sigma = .9

H1: sigma sigma < .9

21.

Ho: mu = 47.47

H1: mu is not = to 47.47

10.2

7.

  1. test statisic: 2.13
  2. p value = .0104
  3. reject null hypothesis

9.

  1. -0.74
  2. p value= .2296
  3. do not reject

11.

  1. -1.49
  2. p value= .1362
  3. do not reject

13.

The p value means 27 of the 100 companies or 27% is higher in the sample proportion will be higher than the population proportion which is 50%

15.

  1. Z0 = .65 < Z.01 =2.33 do not reject

  2. p value= .2578 do not reject

17.

  1. Z0 = .1.09 < Z.05 = 1.645 do not reject

  2. p value = .1379 do not reject

19.

  1. Z0 = 2.60 < Z.05 = 1.645 reject null hypothesis
  2. p value = .0047 reject