The inequality for 14 < n - 3

Mathematics

2 answers:

igor_vitrenko [27]4 years ago

4 0

Your answer is n>17 hope this helps

Alborosie4 years ago

4 0

Hi there! First, let's add 3 to both sides to get the 17 < n. This is to get the "n" on it's side alone and to combine like terms. After this, you don't need to do anything, because it's already in it's simplified form. The answer is n > 17.

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Problems of normally distributed samples are solved using the z-score formula.

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$Z = \frac{X - \mu}{\sigma}$

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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