How do I solve and put this information on Excel? please!

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 consumed by a heavy coffee drinker?

3. A study is conducted to assess the impact of caffeine consumption, smoking, alcohol consumption, and physical activity on the risk of 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 reports that 30% of adults meet the criteria for hypertension. If 15 adults are assessed, what is the probability that:

A. Exactly 5 meet the 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 standard deviation of 13.

A. What proportion of people have diastolic blood pressures less than 90?

B. What proportion have diastolic blood pressures between 80 and 90?

C. Of someone has a diastolic blood pressure of 100, what percentile does this represent?