Given this number line, AB=?

Mathematics

2 answers:

Marta_Voda [28]2 years ago

6 0

Answer:

Step-by-step explanation:

4(7)=28

ss7ja [257]2 years ago

4 0

AB= 28 because when 2 variables or numbers are together, that means multiply those 2, so A= 4 and B= 7, 4 x 7= 28

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Akimi4 [234]

Answer:

74.86% probability that a component is at least 12 centimeters long.

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 problem, we have that:

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