marie's magic shoppe provides the following information about its single product targeted opertating income selling price per un
1 answer:
Answer:
44 %
Explanation:
Hi your question is incomplete, I have searched for the full question online and I have attached it as an image below.
Contribution margin ratio = Contribution / Sales x 100
where
Contribution = Sales - Variable Costs
= $21.58 - $12.00
= $9.58
therefore,
Contribution margin ratio = $9.58 / $21.58 x 100
= 44.39 %
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Answer:
b) 0.0751
c) We cannot afirm whether eating out or dinning in is cheaper
d) do not reject neither.
<u>Questions:</u>
(a). Develop appropriate hypotheses for a test to determine whether the sample data support the conclusion that the mean cost of a restaurant meal is less than fixing a comparable meal at home.
(b). Using the sample from the 100 restaurants, what is the p -value?
(c). At α = .05 ,what is your conclusion?
(d). Repeat the preceding hypothesis test using the critical value approach
Explanation:
(b)
We use excel function to get the Pz which is .0751
(c). 0.0751 > .05 , We cannot reject the hypotesis. Thus, we can neither say dinning in is more cheap nor eating out is cheaper.
(d). With = 99 , t .05 = −1.66 Reject H 0 if ? ≤ −1.66 −1.45 > −1.66 , do not reject
Degrees of freedom = n − 1 = 99 and Pz of 0.05 = -1.66
Reject when Pz < of -1.66
-1.45 > 1.66 threfore we cannot reject the hypotesis.