Preparing to Test a Claim about a Population Proportion Answers

Which condition allows us to treat the sampling distribution as approximately Normal?

p0 =

Because a P-value = 0.0824 is α = 0.05, we H0. There is to believe that the corporation overstates the proportion of calls that are resolved by using automated options.

Because the P-value of 0.010 is α = 0.05, we H0. There is to conclude that more than 75% of customers seated within 15 minutes.

Complete the statements demonstrating how each condition is met.

=

Because the P-value of 0.010 is α = 0.05, we H0. There is to conclude that more than 75% of customers seated within 15 minutes.

=

Calculate the P-value, given that the resulting test statistic was z = –1.389.Enter your answer to 4 decimal places. If needed, use the z-table.

Because a P-value = 0.0824 is α = 0.05, we H0. There is to believe that the corporation overstates the proportion of calls that are resolved by using automated options.

Because the P-value of 0.010 is α = 0.05, we H0. There is to conclude that more than 75% of customers seated within 15 minutes.

Complete the statements demonstrating how each condition is met.

p0 =

Because a P-value = 0.0824 is α = 0.05, we H0. There is to believe that the corporation overstates the proportion of calls that are resolved by using automated options.

n =

Because the P-value of 0.010 is α = 0.05, we H0. There is to conclude that more than 75% of customers seated within 15 minutes.

Complete the statements demonstrating how each condition is met.

n =