- If N 390 And P 0 39 Construct A 95 Confidence Interval Give Your Answers To Three Decimals P You Want To Obtain 1 (18.45 KiB) Viewed 75 times
You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately 27%. You would like to be 90% confident that your esimate is within 2% of the true population proportion. How large of a sample size is required? (Do not round mid-calculation, with the exception of the critical value being rounded to three decimal places.) n =
Suppose are running a study/poll about the probability of a true negative on a test for a certain cancer. You randomly sample 100 people and find that 37 of them match the condition you are testing. Suppose you are have the following null and alternative hypotheses for a test you are running: = 0.32 Ho:p Ha:p> 0.32 Calculate the test statistic, rounded to 3 decimal places 2 =