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AfilCa [17]
2 years ago
9

ASAP! 70 points! Yan has already finished 3/4 of the 45 math problems he was assigned today. Each math problem took him 1 and 4/

5 of a minute to complete. If this pace continues, how much more time, to the nearest minute, will the rest of the problems take him to finish?
A. 18 mins


B. 27 mins


C. 32 mins


D. 43 mins
Mathematics
1 answer:
siniylev [52]2 years ago
7 0
I would help but Can u add a pic or something for more understanding
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<u>Question</u>

Suppose that a committee is studying whether or not there is excessive time waste in our judicial system. It is interested in the mean amount of time individuals spend at the courthouse waiting to be called for jury duty. The committee randomly surveyed 81 people who recently served as jurors. The sample mean wait time was 4 hours with a sample standard deviation of 1.2 hours. Define the random variables X and \bar{X} in words.

Answer:

(B)

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