Answer:
3.3
Step-by-step explanation:
hope this help
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:
A: the graph will cross the x-axis
10 in; if the original 100% was 5 in, then you multiply that by 2.