1)The mean incubation time of fertilized eggs is 19 days. Suppose the incubation times are approximately normally distributed with a standard deviation of

1 day.

a)Determine the 17th percentile for incubation times.

b) Determine the incubation times that make up the middle 39%.

2)The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with mean 1261and a standard deviation of 118.

a)Determine the 27th percentile for the number of chocolate chips in a bag.

b) Determine the number of chocolate chips in a bag that make up the middle 98% of bags.

c) What is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?