This needs to be completed in excel.

1. Total cholesterol in children aged 10-15 years is assumed to follow a normal distribution with a mean of 191 and a standard deviation of 22.4.

a). What proportion of children 10-15 years of age have total cholesterol between 180 and 190?

b). What proportion of children 10-15 year sof age would be classified as hyperlipidemic (defined as cholesterol over 200)?

c). What is the 90th percentile of cholesterol levels?

2.Among coffee drinkers, men drink a mean of 3.2 cups per day, with a standard deviation of 0.8 cups. Assume the number of coffee drinks per day follows a normal distribution.

a). What proportion drink 2 cups per day or more?

b). What proportion drink no more than 4 cups per day?

c). If the top 5% of coffee drinkers are considered heavy coffee drinkers, what is the minimum number of cups per day consumed by a heavy coffee drinker? Hint: find the 95th percentile.

3.A study conducted to assess the impact of caffeine consumption, smoking, and alcohol consumption, and physical activity on cardiovascular disease. Suppose that 40% of participants consume caffeine and smoke. If 8 participants are evaluated, what is the probability that:

a). Exactly half of them consume caffeine and smoke?

b). At most 6 consume caffeine and smoke?

4.A recent study of cardiovascular risk factors reported that 30% of adults met criteria for hypertension. If 15 adults are assessed, what is the probability that:

a). Exactly 5 meet criteria for hypertension?

b). None meet the criteria for hypertension?

c). Less than or equal to 7 meet the criteria for hypertension?

5.Diastolic blood pressures are assumed to follow a normal distribution with a mean of 85 and a standard deviation of 12.

a). What proportion of people have diastolic blood pressure less than 90?

b). What proportion have diastolic blood pressure between 80 and 90?

c). If someone has a diastolic blood pressure of 100, what percentile is he/she in?