What is the Value of -5+2/3 A) 17/3 B) -13/3 C) 13/3 D) -17/3

Mathematics

2 answers:

Mama L [17]3 years ago

7 0

-5+2/3
= -5x 3
=-15+2/3
final answer =-13/3 > B

zysi [14]3 years ago

6 0

Question -5+2/3
= -5*3
=13/3 so B is the answer

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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:

$\mu = 553, \sigma = 72$