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NeX [460]
3 years ago
9

Please help need someone’s help ASAP

Mathematics
2 answers:
Cloud [144]3 years ago
6 0

The coordinates of Z are (0, -t).

This is because ordered pairs are written in the form (x,y), where the first number represents the number of units the point has moved along the x axis and the second number represents the number of units the point has moved along the y axis. Point Z is on the y axis, which means it has moved 0 units along the x axis (it has an x value of 0). Its y value is -t because it has the same y value as the point directly above it, except it is negative (it moved down instead of up). Therefore, the answer is (0,-t).

Hope this helps!

xxTIMURxx [149]3 years ago
5 0

your answer is D

hope this helps

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Answer: The z-scores for a woman 6 feet tall is 2.96 and the z-scores for a a man 5'10" tall is 0.25.

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Let x and y area the random variable that represents the heights of women and men.

Given : The heights of women aged 20 to 29 are approximately Normal with mean 64 inches and standard deviation 2.7 inches.

i.e. \mu_1 = 64   \sigma_1=2.7

Since , z=\dfrac{x-\mu}{\sigma}

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z=\dfrac{72-64}{2.7}=2.96296296\approx2.96

Men the same age have mean height 69.3 inches with standard deviation 2.8 inches.

i.e. \mu_2 = 69.3   \sigma_2=2.8

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z=\dfrac{70-69.3}{2.8}=0.25

∴ The z-scores for a woman 6 feet tall is 2.96 and the z-scores for a a man 5'10" tall is 0.25.

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