Which distribution should be used to construct the confidence interval? A. Use a normal distribution because a is known and the data are normally distributed. OB. Use a t-distribution because n<30 and a is unknown. C. Use a normal distribution because n<30, the miles per gallon are normally distributed and a is unknown. D. Use a t-distribution because n<30 and a is known. O E. Cannot use the standard normal distribution or the t-distribution because a is unknown, n<30, and the yards are not normally distributed.
Which distribution should be used to construct the confidence interval? A. Use a normal distribution because a is known and the data are normally distributed. OB. Use a t-distribution because n<30 and a is unknown. C. Use a normal distribution because n<30, the miles per gallon are normally distributed and a is unknown. D. Use a t-distribution because n<30 and a is known. O E. Cannot use the standard normal distribution or the t-distribution because a is unknown, n<30, and the yards are not normally distributed.
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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