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boyakko [2]
2 years ago
11

Find the product. (-4-3-2)^2

Mathematics
1 answer:
kumpel [21]2 years ago
7 0

Answer:

Hi there!

Your answer is:

81

Step-by-step explanation:

First, simplify within parentheses.

-4-3-2 = -7-2 = -9

(-9)^2

The negative is within the parentheses, so it goes away when squared

(-9)^2 = -9× -9= 81

Hope this helps

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Answer:

Due to the higher z-score, Stewart caught the longer fish, relative to fish of the same species

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}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

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Whosoever fish's had the higher z-score.

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So we have to find Z when X = 283, \mu = 264, \sigma = 57

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Z = \frac{152 - 157}{28}

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