For numbers 25-30, refer to the following problem. The mean gasoline consumption of cars is 28 liters with a standard deviation of 1.6 liters. Find the point and the interval estimate using 95% confidence interval. 25. What is the point estimate of µ? A. 1.6 В. 10 C. 28 D. 95% 26. What is a? A. 0.1 В. 0.5 C. 95% D. 99% 27. What is the appropriate distribution? А. Z B. t С.р D. s
For numbers 25-30, refer to the following problem. The mean gasoline consumption of cars is 28 liters with a standard deviation of 1.6 liters. Find the point and the interval estimate using 95% confidence interval. 25. What is the point estimate of µ? A. 1.6 В. 10 C. 28 D. 95% 26. What is a? A. 0.1 В. 0.5 C. 95% D. 99% 27. What is the appropriate distribution? А. Z B. t С.р D. s
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 22SGR
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please answer 25-28 thank youu!
Transcribed Image Text:For numbers 25-30, refer to the following problem. The mean gasoline consumption of 10
cars is 28 liters with a standard deviation of 1.6 liters. Find the point and the interval
estimate using 95% confidence interval.
25. What is the point estimate of u?
А. 1.6
В. 10
C. 28
D. 95%
26. What is a?
A. 0.1
В. 0.5
C. 95%
D. 99%
27. What is the appropriate distribution?
А. Z
B. t
C. p
D. s
28. What are the confidence coefficients?
A. +1.645
B. ±1.96
C. +2.262
D. +2.33
29. What is the approximate upper limit?
A. 29
B. 27.14
C. 29.19
D. 29.32
30. What is the approximate lower limit?
A. 27
B. 26.86
C. 26.81
D. 26.68
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