Alice works at a health care facility. She has measured the hemoglobin levels of 200 people. The data follows a normal distribution with a mean of 14 g/dL and a standard deviation of 1.

How many people have hemoglobin levels less than 13?

How many people have hemoglobin levels greater than 14?

Question

Mathematics

Lyric Spence

Today, 03:30

Alice works at a health care facility. She has measured the hemoglobin levels of 200 people. The data follows a normal distribution with a mean of 14 g/dL and a standard deviation of 1.

How many people have hemoglobin levels less than 13?

How many people have hemoglobin levels greater than 14?

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Answers (1)

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Beaux · Answer 1

This is a normal distribution with a Mean: 14 g/dL and a Standard deviation: 1 g/dL.

A) Hemoglobin levels less than 13:

13 = 14 - 1 = Mean - 1 SD

0.16 x 200 = 32

Answer: 32 people.

B) Hemoglobin levels greater than 14:

0.50 x 200 = 100

Answer: 100 people.

Alice works at a health care facility. She has measured the hemoglobin levels of 200 people. The data follows a normal distribution with a mean of 14 g/dL and a standard deviation of 1.How many people have hemoglobin levels less than 13?How many people have hemoglobin levels greater than 14?

Alice works at a health care facility. She has measured the hemoglobin levels of 200 people. The data follows a normal distribution with a mean of 14 g/dL and a standard deviation of 1.

How many people have hemoglobin levels less than 13?

How many people have hemoglobin levels greater than 14?