Answer:
36 hours.
Step-by-step explanation:
The answer is B. Hope you get it.
The answer to this question is:-2.15
Answer:
The probability that the proportion of books checked out in a sample of 412 books would differ from the population proportion by less than 4% is P=0.9255.
Step-by-step explanation:
The population's proportion is 
If we take a sample of 412 books (n=412), we have a standard deviation of the sampling distribution of:

We have to calculate the probabilty that the sample proportion will be between 0.25 and 0.33.

Answer:
1.80
Step-by-step explanation:
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