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marahdgz
27.02.2020 •
Mathematics
In a survey of 200 employees, 65% agreed that the management of the cafeteria should be changed. If the confidence interval is 95%, the margin of error for this survey is +/- 6.75% and the maximum number of employees who could have agreed is about?
a. 144 b. 140 c. 136
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Ответ:
Option A) 144
Step-by-step explanation:
We are given the following in the question:
Sample size, n = 200
Margin of error =
Confidence interval:
Putting values:
Thus, maximum proportion is
Maximum number of employees who could have agreed =
This, approximately maximum 144 employees agreed that the management of the cafeteria should be changed.
Option A) 144
Ответ:
The answers are: in the first one +/- 6.75% and the second one: 144.
Step-by-step explanation:
I just did it on Edmentum.
Ответ:
Let missing place be y
Solution has no solution means both sides are equalOn comparing