Jenifer is flying her kite and it gets stuck in a tree. She knows the string on her kite is 25 feet long and she is 12 feet from
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Answer:
Step-by-step explanation:
Let M be the heights of men in the United States and W be the heights of women in the United States
Given that M is N(69.1, 2.9) and W (63.7, 2.7)
For a husband and wife we have average height as
=Z (say)
Var (Z) =
=
Mean = 66.4" and std dev = 2.258