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Karo-lina-s [1.5K]
2 years ago
7

Can someone please help me on this :D

Mathematics
1 answer:
Dafna1 [17]2 years ago
8 0

Answer:

3\2 is her walking rate I think but sure

Step-by-step explanation:

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suppose the people have weights that are normally distributed with a mean of 177 lb and a standard deviation of 26 lb.

Find the probability that if a person is randomly selected, his weight will be greater than 174 pounds?

Assume that weights of people are normally distributed with a mean of 177 lb and a standard deviation of 26 lb.

Mean = 177

standard deviation = 26

We find z-score using given mean and standard deviation

z = \frac{x-mean}{standard deviation}

= \frac{174-177}{26}

=-0.11538

Probability (z>-0.11538) = 1 - 0.4562 (use normal distribution table)

= 0.5438

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3 years ago
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wut????????

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