A raffle offers a first prize of $500 and 3 second prizes of $80 each. One ticket costs $1, and 400 tickets are sold. Find the expected payback for a person who buys 1 ticket. Is this a fair game? The expected payback for a person who buys 1 ticket is $ (Round to two decimal places as needed.)

Q: GRO 5. Consider the infinite set of positive integers {1, 2, 3,..}. Find a way to name definite…

A: Consider the infinite set of positive integers.

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Q: Estimate N if (L, R, d) = (0.5, 0.15, 8) and R is increased from0.15 to 0.17.

A: Given, N=L,R,D=0.5,0.15,8 if R incresed from 0.15 to 0.17 N=0.5, 0.17, 8

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A: Given n1=34 n2=32 S1=11.89 S2=22.86

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A: Given n1=28 n2=36 Xbar1=2.35 Xbar 2=2.64

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A:

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A: a) There are 27 couples among which the probability of girl is 0.5. Hence, n = 27 and p = 0.5.

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A: The given table is,

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A: Given that  Sample size n =20 Sample mean =104.3 Sample standard deviation =14

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A: Given: Sample size, n=65 No. of seniors want to learn more about financial literacy, x=35

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Q: A home pregnancy test was given to women, then pregnancy was verified through blood tests. The…

A: The given summarized table is, The value of P(positive | pregnant) is, Thus, the required…

Q: A home pregnancy test was given to women, then pregnancy was verified through blood tests. The…

A: Given data,   Positive Negative Total Pregnant 75 5 80 Not Pregnant 4 53 57 Total 79 58…

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A: HERE USE NORNAL APPROXIMATION IN PART C

Q: Find the probability for the experiment of tossing a six-sided die twice. The sum is 2, 11, or 12.

A: Given, the six-sided die is tossing twice.

Q: PP(positive∣∣pregnant) =  PP(pregnant∣∣positive) =  PP(negative∣∣pregnant) =  PP(not…

A: Here we have given the following table shows the home pregnancy test results.   Positive…

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