You may need to use the appropriate appendix table to answer this question. Has the recent drop in airplane passengers r
Posted: Mon Jul 11, 2022 11:56 am
question. Has the recent drop in airplane passengers resulted in better on-time performance? Before the recent downturn one airline bragged that 90% of its flights were on time. A random sample of 166 flights completed this year reveals that 150 were on time. Can we conclude at the 5% significance level that the airline's on-time performance has improved? Identify the hypotheses. He: P-Select-- 0.90 H: P-Select-- 0.90 Calculate the value of the test statistic. (Round your answer to two decimal places) Calculate the p-value. (Round your answer to four decimal places) Interpret the result. There --Select--enough evidence to conclude that the airline's on-time performance has improved. ENC
You may need to use the appropriate appendix table to answer this