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tekilochka [14]
3 years ago
8

Give me 2 exponents that equal to 8 :)

Mathematics
1 answer:
alekssr [168]3 years ago
5 0
4 also 2 :))))))))))))))))
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Wendy needs to run 3 laps to run 3 miles.

Hope this helps. :)

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On a quiz there are four-mulptiple choice questions worth 3 points each and two true/false questions worth 1 point​
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Each of these is a pair of equivalent ratios for each pair explain why they are equivalent A: 4:5 and 8:10
alisha [4.7K]
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3 years ago
In a large population of college-educated adults, the mean IQ is 118 with a standard deviation of 20. Suppose 200 adults from th
cricket20 [7]

Answer: 0.0793

Step-by-step explanation:

Let the IQ of the educated adults be X then;

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To find the probability that the sample mean IQ is greater than 120:

P(X > 120) = 1 - P(X < 120)

Standardize the mean IQ using the sampling formula : Z = (X - μ) / σ/sqrt n

Where;  X = sample mean IQ; μ =population mean IQ; σ = population standard deviation and n = sample size

Therefore, P(X>120) = 1 - P(Z < (120 - 118)/20/sqrt 200)

                                 = 1 - P(Z< 1.41)

The P(Z<1.41) can then be obtained from the Z tables and the value is 0.9207

Thus; P(X< 120) = 1 - 0.9207

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3 0
3 years ago
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