# math

posted by .

One of the respondents is picked at random.
1)Given that the respondent cheated on his/her taxes, what is the chance that he/she answered “yes”?
2)Given that the respondent did not cheat on his/her taxes, what is the chance that he/she answered “yes”?
3)Given that the respondent answered “yes,” what is the chance that the respondent cheated on his/her taxes?

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1) 1.
2) 0.5
3) o.6

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the third answer seems to be wrong

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Third one is wrong.!!

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Third one? 0

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Nope, it is not 0

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Third 0 is wrong!

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Third one is 0.5741

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0.5741 are wrong

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Can somebody put right answer for this?????

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third one is 0.55

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what is the ans.of C???

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A die has 2 red faces, 2 blue faces, and 2 green faces. It is rolled 240 times. Let R be the number of times red faces appear, and B the number of times blue faces appear.

Consider the random variable D = R - B. That’s D for “difference.” If all 240 rolls show blue faces, then D = -240; if they all show red faces, then D = 240; otherwise D is somewhere in between. The random variable D is the sum of 240 draws at random with replacement from
are correct]

red, red, blue, blue, green, green red, red, blue, blue, 0, 0
1, 0, 0, 0, 0, 0
1, 1, 0, 0, 0, 0
1, 0, 0
0, 1, 0
1, -1, 0, 0, 0, 0
1, 1, -1, -1, 0, 0
1, -1, 0

The random variable R is the sum of 240
draws at random with replacement from

red, red, blue, blue, green, green
red, 0, 0
1, 0, 0, 0, 0, 0
1, 1, 0, 0, 0, 0
1, 0, 0
0, 1, 0
1, -1, 0, 0, 0, 0
1, 1, -1, -1, 0, 0
1, -1, 0

Find SE(D)

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C 0.65

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comon guys help this brother out

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a) 1 1 0 0 0 0
10 0
010
b)1 1 -1 -1 0 0
1 -1 0
se(d) 12.6491

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thanks Anonymous i done that i need the answer to the first problem part C

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TRY 0.078

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NO ITS WRONG PLZ COMON GUYS

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0.5455

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0.1818

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which one is wrong? 0.5455 or 0.1818? Let me try the other one.

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0.5455 is wrong

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0.1818 because
1) (0.05+0.05)/0.55=0.181818
we should remember THAT in first case "eagle" taxcheaters ALSO INCLUDED!

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0.1818 is the correct one

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