The estimated prevalence is 18%, and the desired confidence level is 91% with a margin of error of 4%. (Round your answer to the nearest integer.) n =

You want to obtain a sample to estimate a population proportion. At this point in time, you have no reasonable estimate for the population proportion. You would like to be 95% confident that you esimate is within 0.5% of the true population proportion. How large of a sample size is required?n =

Carmen and Rosanna are two employees in an electronics store. The store manager has put an emphasis on increasing the number of applications for the store credit card. The manager randomly selected 24 weeks for each employee and recorded the number of completed applications for each week, which is provided in the samples below. Each employee completed 21 applications in one of the weeks selected. Use Excel to calculate each employee's z-score for completing 21 applications. Round your answers to two decimal places. Carmen Rosanna11 56 1115 613 185 1114 1416 521 208 1110 97 1416 1513 1310 619 2118 95 1817 310 126 1712 1214 419 1017 8

You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately 32%. You would like to be 98% confident that your estimate is within 1% of the true population proportion. How large of a sample size is required?n =

You read a newspaper article that says that 74% of households in your town participate in a recycling program.  To test that statement at the 10% significance level, you randomly select 54 households in town and you find that 35 of them participate in the recycling program. Ho: P=0.74                  Ha:P=/ 0.74 Find the P-value.  Round your answer to 3 decimal places.

A population of N = 8 scores has a mean of M = 10.  After one score is removed, the mean is found to be M = 5  What is the value of the score that was added? A   X = 45 B   X = 35 C   X = 50 D   X = 80

Please help and explain it the easiest way possible lol

You want to obtain a sample to estimate a population proportion. At this point in time, you have no reasonable estimate for the population proportion. You would like to be 95% confident that your estimate is within 3% of the true population proportion. How large of a sample size is required? n =

You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately 90%. You would like to be 95% confident that your estimate is within 2% of the true population proportion. How large of a sample size is required? n =