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pychu [463]
3 years ago
7

Solve the one step inequality

Mathematics
2 answers:
drek231 [11]3 years ago
7 0
Subtract -3-5 use Keep Change-Change
 keep -3
 change the - into a +
change 5 into -5
so... -3 + -5 is -8
-8 is the answer
romanna [79]3 years ago
7 0
-3 ≤ x+5
-8 ≤ x

hope that helps
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To solve this question, we need to understand the normal probability distribution and the central limit theorem.

Normal probability distribution

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Z = \frac{X - \mu}{\sigma}

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For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

In this problem, we have that:

\mu = 75, \sigma = 4, n = 64, s = \frac{4}{\sqrt{64}} = 0.5

Find the probability that the average score of the 64 golfers exceeded 76.

This is 1 subtracted by the pvalue of Z when X = 64.

Z = \frac{X - \mu}{\sigma}

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