3 years ago

What is the product of 84,90?

Mathematics

1 answer:

MAVERICK [17]3 years ago

3 0

84•90 is 7,560.

ndheisn

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Candice is preparing for her final exam in Statistics. She knows she needs an 74 out of 100 to earn an A overall in the course.

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Hence the correct option is option b) Yes, the upper level of one standard deviation is 72.

A score of 74 is not within one standard deviation of the mean.

Step-by-step explanation:

Here the given details are,

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Z-score for x = 74 is given as below:

$Z = (X - mean)/SD\\Z = (74 - 68)/4\\Z = 1.5$

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3 years ago