the moon is about 240000miles from the earth what's the distance written as a whole number multiplied by a power of 10

Mathematics

1 answer:

yanalaym [24]3 years ago

7 0

24 X 10 4 (that 4 is the power)

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A set of middle school student heights are normally distributed with a mean of 150150150 centimeters and a standard deviation of

adell [148]

Answer:

71.57% of student heights are lower than Darnell's height

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.

In this question, we have that:

$\mu = 150, \sigma = 20$