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Neporo4naja [7]
3 years ago
10

Please help due in 20 minutes will give brainliest.

Mathematics
1 answer:
Zinaida [17]3 years ago
3 0

Answer:

The answer is A

Step-by-step explanation:

y=1.3(5) + 10 = 16.5 ---> True

y=1.3( 10) + 10 = 23 ----> True

y=1.3(15) + 10 = 29.5 ----> True

y=1.3(20) + 10 = 36 ----> True

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PLEASE HELP!!! You must show your work to receive credit for this item.
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8 0
3 years ago
Given a mean of 150 and a standard deviation of 25 Define the interval about the mean that contains 95% of the data.
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By normal curve symmetry 

<span>from normal table </span>
<span>we have z = 1.15 , z = -1.15 </span>

<span>z = (x - mean) / sigma </span>
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<span>z = (x - mean) / sigma </span>
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