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lara31 [8.8K]
3 years ago
8

Please help I’ve been struggling for ages!

Mathematics
1 answer:
Lapatulllka [165]3 years ago
3 0

Answer:

"D" only 1 & 2

Step-by-step explanation:

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Step-by-step explanation:

Given : A survey found that​ women's heights are normally distributed.

Population mean : \mu =63.2  \text{ inches}

Standard deviation: \sigma= 2.4\text{ inches}

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Maximum height = 6ft. 2 in.=6\times12+2\text{ in.}=74\text{ in.}

Let x be the random variable that represent the women's height.

z-score : z=\dfrac{x-\mu}{\sigma}

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z=\dfrac{74-63.2}{2.4}\approx4.5

Now, by using the standard normal distribution table, we have

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4 years ago
Three times the sum of a number and five is thrity-six? What is the number
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Hope I helped!
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