39 is what percent of 156?

Mathematics

2 answers:

marshall27 [118]3 years ago

6 0

The answer Is 25% of 156

sashaice [31]3 years ago

4 0

Since 39/156 can be simplified to 1/4, 1/4 of 100% is 25%.

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The distance light travels in one year is approximately 5,870,000,000,000 miles. The distance light travels in 100 years is:

Airida [17]

The answer is D i know for a fact

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2 years ago

A study conducted by the Center for Population Economics at the University of Chicago studied the birth weights of 614 babies bo

MissTica

Answer:

The number of newborns who weighed between 1614 grams and 5182 grams was of 586.

Step-by-step explanation:

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.

The mean weight was 3398 grams with a standard deviation of 892 grams.

This means that $\mu = 3398, \sigma = 892$