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AveGali [126]
3 years ago
14

Need help ASAP please

Mathematics
1 answer:
monitta3 years ago
7 0

Answer:

  1. 5 inches is <u>5</u> times as big as 1 inch.
  2. 12.7 centimeters is <u>5</u> times as big as 2.54 centimeters.

Step-by-step explanation:

  1. 5 ÷ 1 = 5
  2. 12.7 ÷ 2.54 = 5

I hope this helps!

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notsponge [240]

Answer:

2.28% probability that a person selected at random will have an IQ of 110 or higher

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

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

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In this problem, we have that:

\mu = 100, \sigma = 5

What is the probability that a person selected at random will have an IQ of 110 or higher?

This is 1 subtracted by the pvalue of Z when X = 110. So

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

Z = \frac{110 - 100}{5}

Z = 2

Z = 2 has a pvalue of 0.0228

2.28% probability that a person selected at random will have an IQ of 110 or higher

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3 years ago
Please help! Correct answer only!
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