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Juliette [100K]
3 years ago
11

The City Housing Authority has received 50 applications from qualified applicants for eight low-income apartments. Three of the

apartments are on the north side of town, and five are on the south side. If the apartments are to be assigned by means of a lottery, find the probability that two specific qualified applicants will be selected for apartments on the same side of town. (Round your answer to five decimal places.)
Mathematics
2 answers:
OlgaM077 [116]3 years ago
4 0
The probability that both specific qualified applicants will be among the eight selected is given by:
P(2\ specified)=\frac{2C2\times 48C6}{50C8}=0.0229
The probability that the two will get apartments on the North side is given by:
P(North)=\frac{3C2\times5C0}{8C2}=0.107
The probability that the two will get apartments on the South side is given by:
P(South)=\frac{5C2\times3C0}{8C2}=0.357
The events '2 apartments on North side' and '2 apartments on South side' are mutually exclusive. Therefore the probability the two specific qualified applicants will be on the same side of town is 0.107 + 0.357 = 0.464.
Finally, the probability that two specific qualified applicants will be selected for apartments on the same side of town is found from:
0.0229\times0.464=0.01063


andrew11 [14]3 years ago
4 0

The solution would be like this for this specific problem:

(3C2 + 5C2)/(50C2) 
= (3 + 10)/1225

= .01061

<span>The probability that two specific qualified applicants will be selected for apartments on the same side of town is 0.0101.</span>

I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.

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