Answer:
1.36+3+(32)(2)
=57
error is that 6 is the wrong answer
Answer: 4.8
Why: 8/10=.8
.8x6=4.8
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
= 
I think it's 45.... good luck I'm sorry you have to do math lol