Question

16. Use a table of cumulative areas under the normal curve to find the​ z-score that...

16. Use a table of cumulative areas under the normal curve to find the​ z-score that corresponds to the given cumulative area. If the area is not in the​ table, use the entry closest to the area. If the area is halfway between two​ entries, use the​z-score halfway between the corresponding​ z-scores. If​ convenient, use technology to find the​ z-score.

0.049

The cumulative area corresponds to the​ z-score of __.

17. Use the standard normal table to find the​ z-score that corresponds to the given percentile. If the area is not in the​ table, use the entry closest to the area. If the area is halfway between two​ entries, use the​ z-score halfway between the corresponding​ z-scores. If​ convenient, use technology to find the​ z-score.

P^20

The​ z-score that corresponds to P^20 is __.

18. Use the standard normal table to find the​ z-score that corresponds to the given percentile. If the area is not in the​ table, use the entry closest to the area. If the area is halfway between two​ entries, use the​ z-score halfway between the corresponding​ z-scores. If​ convenient, use technology to find the​ z-score.

P^80

The​ z-score that corresponds to P^80 is__.

19. Use the standard normal table to find the​ z-score that corresponds to the given percentile. If the area is not in the​ table, use the entry closest to the area. If the area is halfway between two​ entries, use the​ z-score halfway between the corresponding​ z-scores. If​ convenient, use technology to find the​ z-score.

P^90

The z-score that corresponds to P^90 is__.

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