7.1
- probability density function
- model
- true
- 1/2
- u-sigma, mu+sigma
- less than, equal to
- mu = 2, sigma = 2
- mu = 5, sigma = 5
- mu = 100, sigma = 100
- mu = 530, sigma = 530
- 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)

- 2.28% of babies wiegh 4410 grams or more
19.08% of pregnancies last 280 days
34.16% of pregnancies last between 230 and 260 days