Question

Asked Nov 18, 2019

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The percent of fat calories that a person in America consumes each day is normally distributed with a mean of about 37 and a standard deviation of 10. Suppose that one individual is randomly chosen. Let X=percent of fat calories.

a. What is the distribution of X? X ~ N(,)

b. Find the probability that a randomly selected fat calorie percent is more than 36. Round to 4 decimal places.

c. Find the minimum number for the lower quartile of fat calories. Round to 2 decimal places.

Step 1

It is given that *X* follows normally distribution with mean 37 and standard deviation 10.

a)

Consider that is defined as mean and is defined as standard deviation.

Thus,

Step 2

b)

The probability that a randomly selected fa...

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