Question

This table gives information from a survey about cholesterol levels in men and women over 40 years old. High Cholesterol Normal Cholesterol Men 27 23 Women 21 29 The relative frequency of people with high cholesterol who are women is 0.420.440.530.56. The relative frequency of men who have normal cholesterol levels is

Answer 1

a.The relative frequency of people with high cholesterol who are women is 0.44.

b.The relative frequency of men who have normal cholesterol levels is 0.46.

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Answer 2

a) 0.44

b) 0.46

Explanation:

The relative frequency of a portion of a group is the ratio of the number in that portion to the number in the whole group. These questions define different groups, and different corresponding portions.

a) Women in the High Cholesterol group

The number in the high cholesterol group can be read from the attached table as 48. Of those, 21 are women. The relative frequency of women in the high-cholesterol group is 21/48 ≈ 0.44.

b) Normal Cholesterol among Men

The number of men surveyed can be read from the attached table as 50. Of those, 23 have normal cholesterol. The relative frequency of normal cholesterol among men is 23/50 = 0.46.