HW5_skeleton

7.1

• 1. Probability Density Function.
• 2. Model.
• 3. True.
• 4. 0.5 or 50%.
• 5. Mean minus sigma and mean plus sigma.
• 6. Proportion, probability.
• 25. mu = 2, sigma = 3.
• 26. mu = 5, sigma = 2.
• 27. mu = 100, sigma = 15.
• 28. mu = 530, sigma = 100.
• 33 parts a and b are done for you. But please take a second and look at it!

shadenorm(mu=3400, sig=505, between=c(4410, 6000),col = "blue",dens = 150)

3. 2.28% of babies are greater than 4410g or Y~N(4410,0.0228).

1. 19.08% of gestation periods are greater than 280 days or Y~N(280,0.1908).

2. 34.16% of gestation periods are greater than 230 days and less than 260 days or Y~N(230,0.3416).