Some answers are 12:14, 18:21, and 24:28
Answer: . a. 36.08 to 78.80
Step-by-step explanation:
The confidence interval for population standard deviation is given by :-
Given : Sample size =
Significance level :
Using the chi-square distribution table , the critical values would be :-
Then , a 99% confidence interval for the population standard deviation will be :-
Answer:
Heyoooo!! So here what I got...
Step-by-step explanation:
120/2 = what francine has alone (60)
60 x 6= 360
115 + 60= 175
Hope this helps!
Answer: D
Step-by-step explanation:
She uses a sample size of n=200, and 50% of all customers would actually buy coffee.