Answer: (24.02,25.98)
Step-by-step explanation:
Answer:
Step-by-step explanation:
Given : Sample size : n= 100
Sample mean : 
Standard deviation : 
Significance level : 
Critical value : 
The confidence interval for population mean is given by :-

Hence, the 95% confidence interval for the population mean of training times is (24.02, 25.98).
Answer:
83 points
Step-by-step explanation:
-The formula for average is given as:

Let a be his 5th score and (a+4) of the 6th
#We subtract the sum of the first 4 tests from the 6, to get the sum of the 5th and 6th tests:

#We substitute for the 5th and 6th to solve a:

Hence, Karl score 83 points in his 6th test.
Answer: 2b-21a
Step-by-step explanation:
Answer:
81:36
Step-by-step explanation:
117-36
= 81
Boom answer that's it