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marta [7]
2 years ago
6

If the heights of a population of men are approximately Normally distributed, and the middle 99.7% have heights between 5'0" and

7'0", what is the standard deviation of the heights of the population?
a. 1"

b. 12"

c. 6"

d. 4"

e. 3"
Mathematics
1 answer:
kirza4 [7]2 years ago
5 0

Answer:

4 inches

Step-by-step explanation:

the middle number is 6 and the distance from 99.7 from the middle is 3 standard deviations. 12/3 =4

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