Answer:
You would use V=3 times 5 times 4
First you would multipy 5 times 4 then when you get that answer you would multiply the 3.
Answer:
(0.2278, 0.3322)
Step-by-step explanation:
Given that out of 400 people 112 agree and 288 disagree
Proportion of people agreeing = 

For confidence interval 90% we have critical value as
1.645
Margin of error =1.645*SE
=
Confidence interval 
Answer:
She is over the budget.
She is $308.04 over the budget.
Step-by-step explanation:
$51.72 + $47.75 + $53.21 = $152.68
For the 3 months
$152.68×3 = $458.04
458.04-150.00= 308.04
Answer:
No relation
Step-by-step explanation:
While the amount of time you spend studying for an exam can definitely help you get a better grade on it, it doesn't have any effect on your chance of winning the lottery.