Answer:
8931
Step-by-step explanation:
1 1 1
21 x 18 x 13 = 4914
16 x (18x13) = 3744
13 x 21 = 273
-------
8931
Hope this helps :|
(I am not 100% Sure, you should double check)
Answer: 
Step-by-step explanation:
Given : Sample size :
, which is a small sample (, 30) so we use t-test.
Sample mean : 
Standard deviation : 
Significance level : 
Critical value : 
The confidence interval for population mean is given by :-

Hence, a 95% confidence interval for the population mean
= 
Answer:
part 1 is a part 2 is c on edge 2021
Step-by-step explanation:
Answer:
115.6 minutes were used during the day time rounded to nearest 10 is 116
Step-by-step explanation: