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EastWind [94]
3 years ago
10

BEST ANSWER GET TO BE BRAINLYEST+82pts

Mathematics
1 answer:
Paha777 [63]3 years ago
3 0

d im pretty sure

hope this helps

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The distribution of cholesterol levels in teenage boys is approximately normal withnbsp mu equals 170 and sigma equals 30 ​(Sour
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Answer: 0.0336

Step-by-step explanation:

Given : The distribution of cholesterol levels in teenage boys is approximately normal with mean :\mu= 170

Standard deviation : \sigma= 30

The formula for z-score is given by :-

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

For x=225

z=\dfrac{225-170}{30}=1.83

The p-value =P(z>1.83)=1-P(z

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The probability that a teenage boy has a cholesterol level greater than 225 =0.0336

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is the 48 and 45 points out of 100?

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