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Author Question: If a town of 7000 people has 4000 females in it, then the probability of randomly selecting 6 ... (Read 85 times)

Evvie72

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on: Jun 19, 2018
If a town of 7000 people has 4000 females in it, then the probability of randomly selecting 6 females in six draws (with replacement) equals _________.
 
  a. 0.0348 c. 0.5714
  b. 0.0571 d. 0.3429

Question 2

A certain university maintains a colony of male mice for research purposes. The ages of the mice are normally distributed with a mean of 60 days and a standard deviation of 5.2 . Assume you randomly sample one mouse from the colony. The probability his age will be greater than 68 is _________.
 
  a. 0.4382 c. 0.9382
  b. 0.0618 d. 0.0630


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aruss1303

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Reply #1 on: Jun 19, 2018
Answer to Question 1

A

Answer to Question 2

B


Evvie72

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Reply 2 on: Jun 19, 2018
Excellent

laurnthompson

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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