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notka56 [123]
3 years ago
9

Jan and Bob run a family business. Jan put a sign up to take 25% off a $999.00 laptop computer. The laptop computer did not sell

, so Jan reduced the sale price an additional 20%. Bob suggested that Jan just take 45% of the original price because this would be the same as the sale price. Is Bob correct?
(A) No, Bob's method has a greater effect on the sale price.
(B) No, Jan's method has a greater effect on the sale price.
(C) Yes, the sale price for both Jan's method and Bob's method is $599.40.
(D) Yes, the sale price for both Jan's and Bob's method is $749.25.
Mathematics
1 answer:
Svetllana [295]3 years ago
5 0

warning don't ask too many questions

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Question 1 (Multiple Choice Worth 4 points)
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In the first expression:

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4 0
3 years ago
If p(a | b) = 0.4, p(b) = 0.8, and p(a) = 0.5, are the events a and b independent?
pashok25 [27]

The events A and B are not independent.

Given that,

                  P(A|B) = 0.4

                  P(A) = 0.5

                  P(B) = 0.8

Two events A and B are said to be independent, if P(A∩B) = P(A) P(B)

We have, P(A|B) = P(A∩B)/P(B)

Therefore, P(A∩B) = P(A|B) P(B) = 0.4 x 0.8 = 0.32

Now P(A) P(B) = 0.5 x 0.8 = 0.4

So P(A∩B) ≠ P(A)P(B)

Therefore, the events A and B are not independent.

Learn more about independent events at brainly.com/question/22881926

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7 0
1 year ago
Pls awnser thank you maybe
Zanzabum

Answer:

Step-by-step explanation:

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3 years ago
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Step-by-step explanation:

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