# Question 154 out of 4 points find the mean for the

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Question 154 out of 4 pointsFind the mean for the binomial distribution which has the stated values of n and p.n = 2142; p = 0.63Selected Answer:1349.5Answers:1349.51353.21341.01344.2
Question 164 out of 4 pointsFind the standard deviation for the binomial distribution which has the stated values of n and p.n=1622; p=0.57
Question 174 out of 4 points
The following confidence interval is obtained from a population proportion, p:0.883 < p < 0.911Use theses confidence interval limits to find the margin error, E.
Question 188 out of 8 pointsAssume that a sample is used to estimate a population proportion p. Find the margin of errors E that corresponds to the given statistics and confidence level:90% confidence; n=300; x=50
Question 198 out of 8 pointsOf 375 randomly selected students, 30 said that they planned to work in a rural community. Find 95% confidence interval for the true proportion of all medical students who plan to work in a rural community.Selected Answer:0.0525 < p < 0.107Answers:0.0439 < p < 0.116
0.0570 < p < 0.1030.0525 < p < 0.1070.0474 < p < 0.113
Question 203 out of 3 pointsRefer to the question 19. Can you say that more than 10% of the medical students plan to work for a rural area?
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