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Stells [14]
2 years ago
12

PLEASE HELP I CANNOT FAIL! (the question is the picture below!)

Mathematics
2 answers:
Ronch [10]2 years ago
5 0

Answer:

The answer is A

Step-by-step explanation:

Dennis_Churaev [7]2 years ago
3 0
The answer is A
(75%)
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When population standard deviation (\sigma)  is known and margin of error(E) is given, then the minimum sample size (n) is given by :-

n=(\dfrac{z^*\sigma}{E})^2, z* = Two-tailed critical value for the given confidence interval.

For 95% confidence level , z* = 1.96

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7 0
3 years ago
In 1894, women were granted the right to vote in South Australia.
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During summer vacation, Tori read, on average, 40 pages per night. Now that she has returned to school, she is averaging 5% fewe
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