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Jlenok [28]
2 years ago
9

During second period, Bryant completed a grammar worksheet. He got 21 out of 75 questions

Mathematics
2 answers:
Katena32 [7]2 years ago
5 0

Answer:

28% I'm pretty sure

Step-by-step explanation:

pav-90 [236]2 years ago
5 0
The answer is 28%, 21/75=.28=28%
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Answer:

1568

Step-by-step explanation:

The computation of the minimum sample size is shown below:

Given that

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Now following formula should be used

n > (Zalpha ÷ 2 × sigma ÷ E)^2

As we know that

Zalpha ÷ 2= 1.96

Now the sample size is

n> (1.96 × 202  ÷ 10)^2

= 1568

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