Answer Happy

An agronomist would like to estimate the average weight of all Indian River County grapefruits. The mean weight of a random sample of 204 Indian River County grapefruits was found to be 234 grams. The standard deviation of the weights of all Indian River County grapefruit is known to be 25 grams. Find three different confidence intervals one with a 99% confidence level, one with a 98% confidence level, and one with a 90% confidence level for the mean weight of all Indian River County grapefruits. Notice how the confidence level affects the margin of error and the width of the interval. Report confidence interval solutions using interval notation. Round solutions to two decimal places, if necessary • The margin of error for a 99% confidence interval is given by E A 99% confidence interval is given by • The margin of error for a 98% confidence interval is given by E A 98% confidence interval is given by • The margin of error for a 90% confidence interval is given by E

A 99% confidence interval is given by The margin of error for a 98% confidence interval is given by E = A 98% confidence interval is given by The margin of error for a 90% confidence interval is given by E A 90% confidence interval is given by If the level of confidence is decreased, leaving all other characteristics constant, the margin of error of the confidence interval will Select an answer If the level of confidence is decreased, leaving all other characteristics constant, the width of the confidence interval will Select an answer Select an answer decrease