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2 years ago

Simplify pls with steps 2⁵ x 3⁴ x 5 / 3 x 16

Mathematics

1 answer:

Irina-Kira [14]2 years ago

8 0

2^5 x 3^4 x 5 /3 x 16

(32*81*5)/3 * 16

(12960/3) * 16

4320 * 16

69120

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2 years ago

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sergeinik [125]

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The minimum score required for an A grade is 83.

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Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the z-score 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 p-value, we get the probability that the value of the measure is greater than X.

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This means that $\mu = 72.3, \sigma = 8$

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2 years ago

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