Kevin just bought a refrigerator for 469. He paid 140.60 in a down payment and will pay the rest in equal installments. How much
1 answer:
Answer:
$54.73 monthly installment for 6 months.
Step-by-step explanation:
Kevin just bought a refrigerator for $469.
He paid $140.6 in down payment and will pay the rest in equal installments.
If Kevin does not have to pay any interest and he will pay the rest amount in 6 months with monthly installments,
Then, the value of each installment will be = Dollars. (Answer)
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Answer: a. 170 b. 752
Step-by-step explanation:
The formula to find the sample size is given by :-
, where p is the prior estimate of population proportion.
= Two-tailed z-value for
(significance level).
E= Margin of error .
Given : Margin of error = 0.03
Confidence level = 90%=0.90
By z-value table :
a) The president's political advisors estimated the proportion supporting the current policy to be : p= 0.06.
Required sample size :
∴ Required sample size = 170
b) If no prior estimate of population proportion is given , then we assume
p= 0.5
Required sample size :
∴ Required sample size = 752