Q3. The following data give the speeds (in km per hour) of 8 cars travelling on the street. 811 *** 850 733 715 767 780 *** **** indicates 3rd 4th 6th digits of student ID number Assuming that the speeds of all cars travelling on this highway have a normal distribution. Construct a 98% confidence interval for the mean speed of all cars travelling on the highway and make a comment on the result.
Q3. The following data give the speeds (in km per hour) of 8 cars travelling on the street. 811 *** 850 733 715 767 780 *** **** indicates 3rd 4th 6th digits of student ID number Assuming that the speeds of all cars travelling on this highway have a normal distribution. Construct a 98% confidence interval for the mean speed of all cars travelling on the highway and make a comment on the result.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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**** = 220
Transcribed Image Text:Q3. The following data give the speeds (in km per hour) of 8 cars travelling on the street.
811
850 |733 | 715 | ***
767 780
***
*
*** indicates 3rd 4th 6th digits of student ID number
Assuming that the speeds of all cars travelling on this highway have a normal
distribution. Construct a 98% confidence interval for the mean speed of all cars
travelling on the highway and make a comment on the result.
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