Natia the heights of men in a survey are distributed normally about the mean. suppose the survey included data on 100 men. about how many would you expect to be 69−71 inches tall? 66 men 43 men 54 men 39 men

Answer : 43 men

We calculate the percentage from the graph

Percentage of men (69 inches tall ) = 13%

Percentage of men (70 inches tall ) = 16%

Percentage of men (71 inches tall ) = 14%

Percentage of men (69 - 71 inches tall) = 13 + 16 + 14 = 43%

Suppose the survey included data on 100 men.

number of men (69 - 71 inches tall) = 100 * 43% == 43 men

answer:   x = 3 + √11     and     x = 3 - √11

step-by-step explanation:

x² - 6x + 9 = 11

(x - 3)² = 11

x - 3 = ±√11

    x = 3 ± √11

x = 3 + √11     and     x = 3 - √11

multiplication is multiplication.   it might feel harder depending on what level of math you are in, but generally it will be the same old stuff, while implementing some new concepts and methods of solving work.