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hussain34
29.01.2020 •
Mathematics
question 1. suppose the mean height for men is 70 inches with a standard deviation of 2 inches. what percentage of men are more than 72 inches tall?
question 2.suppose the mean height for men is 70 inches with a standard deviation of 2 inches. what percentage of men are less than 74 inches tall?
question 3.suppose the mean height for men is 70 inches with a standard deviation of 2 inches. what percentage of men are less than 66 inches tall?
questionn 4.suppose the mean height for men is 70 inches with a standard deviation of 2 inches. what percentage of men are between 68 and 74 inches tall?
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Ответ:
1. 50%
2.100%
3.0%
4.100%
Step-by-step explanation:
Use https://www.mathsisfun.com/data/standard-deviation-calculator.html for later references.
Ответ:
x = 5.1
Step-by-step explanation.
Our first step is to find all the angles. If b = 91 degree and c is 38, a. has to be 51 because all triangles add up to 180 degree. Because we have both B and b, we can use sine law.
a/A 13/sin91 c/38
we can use b in this situation.
The legnth of a is 10.1.
So, x-5 would be 5.1