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nder which of the following circumstances is it impossible to construct a confidence inte al for the population mean? A. A normal population with a large sample and a known population variance. B. A non-normal population with a large sample and an unknown population variance. C. A normal population with a small sample and an unknown population variance. D. A non-normal population with a small sample and an unknown population varianc A random sample of size n has been selected from a normally distributed population whose standard deviation is o. In hypothesis testing for the population mean, the t-test should be used instead of the z-test if: OA. n > 30 and o is unknown O B. n < 30 and o is known O C. both A and B are true OD. both A and B are false

nder which of the following circumstances is it impossible to construct a confidence inte al for the population mean? A. A normal population with a large sample and a known population variance. B. A non-normal population with a large sample and an unknown population variance. C. A normal population with a small sample and an unknown population variance. D. A non-normal population with a small sample and an unknown population varianc A random sample of size n has been selected from a normally distributed population whose standard deviation is o. In hypothesis testing for the population mean, the t-test should be used instead of the z-test if: OA. n > 30 and o is unknown O B. n < 30 and o is known O C. both A and B are true OD. both A and B are false

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Under which of the following circumstances is it impossible to construct a confidence inte al for the population mean? OA. A normal population with a large sample and a known population variance. OB. A non-normal population with a large sample and an unknown population variance. OC. A normal population with a small sample and an unknown population variance. OD. A non-nomal population with a small sample and an unknown population variance A random sample of size n has been selected from a normally distributed population whose standard deviation is o. In hypothesis testing for the population mean, the t-test should be used instead of the z-test if: OA. n > 30 and o is unknown B. n < 30 and o is known OC. both A and B are true OD. both A and B are false
Transcribed Image Text:Under which of the following circumstances is it impossible to construct a confidence inte al for the population mean? OA. A normal population with a large sample and a known population variance. OB. A non-normal population with a large sample and an unknown population variance. OC. A normal population with a small sample and an unknown population variance. OD. A non-nomal population with a small sample and an unknown population variance A random sample of size n has been selected from a normally distributed population whose standard deviation is o. In hypothesis testing for the population mean, the t-test should be used instead of the z-test if: OA. n > 30 and o is unknown B. n < 30 and o is known OC. both A and B are true OD. both A and B are false
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