Answer:
2
Step-by-step explanation:
this will help i think this will be the answer i am not sure
Answer:
6 hours
Step-by-step explanation:
8 × 3/4 hours
= (8 x 3) / 4
= 24/4
= 6 hours
Answer: 1.2703
Step-by-step explanation:
Given : Sample size : n= 17, which is a small sample (n<30), so we use t-test.
Significance level : 
Then , Critical value : 
Standard deviation: 
The formula to find the margin of error : -

Hence, the error bound (EBM) of the confidence interval with a 90% confidence level.=1.2703
X = -7 you can just look this up too