For each situation, state the null and alternative hypotheses: (Type "mu" for the symbol u , e.g. mu > 1 for the mean is greater than 1, mu < 1 for the mean is less than 1, mu not = 1 for the mean is not equal to 1. Please do not include units such as "mm" or "$" in your answer.) (a) The diameter of a spindle in a small motor is supposed to be 4.5 millimeters (mm) with a standard deviation of 0.14 mm. If the spindle is either too small or too large, the motor will not work properly. The manufacturer measures the diameter in a sample of 13 spindles to determine whether the mean diameter has moved away from the required measurement. Suppose the sample has an average diameter of 4.6 mm. Ho : Ha : (b) Harry thinks that prices in Caldwell are lower than the rest of the country. He reads that the nationwide average price of a certain brand of laundry detergent is $16.55 with standard deviation $1.62. He takes a sample from 3 local Caldwell stores and finds the average price for this same brand of detergent is $14.60. Но : Ha :
For each situation, state the null and alternative hypotheses: (Type "mu" for the symbol u , e.g. mu > 1 for the mean is greater than 1, mu < 1 for the mean is less than 1, mu not = 1 for the mean is not equal to 1. Please do not include units such as "mm" or "$" in your answer.) (a) The diameter of a spindle in a small motor is supposed to be 4.5 millimeters (mm) with a standard deviation of 0.14 mm. If the spindle is either too small or too large, the motor will not work properly. The manufacturer measures the diameter in a sample of 13 spindles to determine whether the mean diameter has moved away from the required measurement. Suppose the sample has an average diameter of 4.6 mm. Ho : Ha : (b) Harry thinks that prices in Caldwell are lower than the rest of the country. He reads that the nationwide average price of a certain brand of laundry detergent is $16.55 with standard deviation $1.62. He takes a sample from 3 local Caldwell stores and finds the average price for this same brand of detergent is $14.60. Но : Ha :
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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![For each situation, state the null and alternative hypotheses: (Type "mu" for the symbol u , e.g. mu > 1 for the mean is
greater than 1, mu < 1 for the mean is less than 1, mu not = 1 for the mean is not equal to 1. Please do not include units such as
"mm" or "$" in your answer.)
(a) The diameter of a spindle in a small motor is supposed to be 4.5 millimeters (mm) with a standard deviation of 0.14 mm. If the
spindle is either too small or too large, the motor will not work properly. The manufacturer measures the diameter in a sample of 13
spindles to determine whether the mean diameter has moved away from the required measurement. Suppose the sample has an
average diameter of 4.6 mm.
Но:
Ha :
(b) Harry thinks that prices in Caldwell are lower than the rest of the country. He reads that the nationwide average price of a certain
brand of laundry detergent is $16.55 with standard deviation $1.62. He takes a sample from 3 local Caldwell stores and finds the
average price for this same brand of detergent is $14.60.
Но :
На :](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9825dc8a-137a-4a0c-8577-deb730eeb7fa%2F23f122e6-eb74-4f74-a106-de5d423b0d35%2Foahethd_processed.png&w=3840&q=75)
Transcribed Image Text:For each situation, state the null and alternative hypotheses: (Type "mu" for the symbol u , e.g. mu > 1 for the mean is
greater than 1, mu < 1 for the mean is less than 1, mu not = 1 for the mean is not equal to 1. Please do not include units such as
"mm" or "$" in your answer.)
(a) The diameter of a spindle in a small motor is supposed to be 4.5 millimeters (mm) with a standard deviation of 0.14 mm. If the
spindle is either too small or too large, the motor will not work properly. The manufacturer measures the diameter in a sample of 13
spindles to determine whether the mean diameter has moved away from the required measurement. Suppose the sample has an
average diameter of 4.6 mm.
Но:
Ha :
(b) Harry thinks that prices in Caldwell are lower than the rest of the country. He reads that the nationwide average price of a certain
brand of laundry detergent is $16.55 with standard deviation $1.62. He takes a sample from 3 local Caldwell stores and finds the
average price for this same brand of detergent is $14.60.
Но :
На :
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