Answer:
? i need a better explanation for ur questoin
Step-by-step explanation:
Answer:
(B) (0.396, 1.712)
Step-by-step explanation:
From the information given;
Confidence Interval = 0.95
Significance Level 
The confidence interval for regression coefficient beta (whereby in this case it is the coefficient of the diameter) is expressed by:
= 
From the regression coefficient, the estimated value of beta^ = 1.054


Answer:
It is B
Step-by-step explanation:
If he has 6 friends they will all get 8 cards