We have given the number of successes and the sample size for a simple random sample from
Question:
We have given the number of successes and the sample size for a simple random sample from a population. In each case, do the following tasks.
a. Determine the sample proportion.
b. Decide whether using the one-proportion z-interval procedure is appropriate.
c. If appropriate, use the one-proportion z-interval procedure to find the confidence interval at the specified confidence level.
d. If appropriate, find the margin of error for the estimate of p and express the confidence interval in terms of the sample proportion and the margin of error.
x = 10, n = 40, 90% level
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a b x l0 and n x 30 Both are at least 5 so the on...View the full answer
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