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Serga [27]
3 years ago
7

Scores on a Algebra test have average of 80 with standard deviation of 5. What is the z-score for a student who earned a 82 on t

he test? Round your answer to the nearest thousandth.
Mathematics
1 answer:
Dafna11 [192]3 years ago
3 0

Answer:

16

Step-by-step explanation:

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We have been given that a librarian noticed that 60% of seventh graders checked out fantasy books. We are asked to find the number of seventh graders from 240 seventh graders, who would checkout fantasy books.

To solve our given problem, we need to find 60% of 240.

\text{Seventh graders, who would checkout fantasy books}=240\times \frac{60}{100}

\text{Seventh graders, who would checkout fantasy books}=240\times 0.60

\text{Seventh graders, who would checkout fantasy books}=144

Therefore, 144 seventh graders would checkout fantasy books.

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