A hotel chain wants to estimate the mean number of rooms rented daily in a given month. The population of rooms rented daily is assumed to be normally distributed for each month with a standard deviation of 240 rooms. During February, a sample of 25 days has a sample mean of 370 rooms. The critical value for a 90% confidence interval for this sample is ________.   Question 12 options:   1)  2.58   2)  1.96   3)  2.649   4)  1.645

MATLAB: An Introduction with Applications
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A hotel chain wants to estimate the mean number of rooms rented daily in a given month. The population of rooms rented daily is assumed to be normally distributed for each month with a standard deviation of 240 rooms. During February, a sample of 25 days has a sample mean of 370 rooms. The critical value for a 90% confidence interval for this sample is ________.
 

Question 12 options:

 

1) 

2.58
 

2) 

1.96
 

3) 

2.649
 

4) 

1.645
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