anonymous
  • anonymous
In a contest, 2 students out of 5 are to be chosen for a final playoff. All students have an equal chance of wining. The students include 4 girls and 1 boy. a. In how many ways can 2 finalists be chosen? b. Find the probability that the finalists are 1. 2 girls 2. a girl and a boy 3. 2 boys 4. 2 specific girls c. Find the probability that one of the finalists are a specific girl
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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inkyvoyd
  • inkyvoyd
a. 20
anonymous
  • anonymous
errr show th work please?
inkyvoyd
  • inkyvoyd
wait, that answer is wrong.

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inkyvoyd
  • inkyvoyd
5C2 actually, so 10.
inkyvoyd
  • inkyvoyd
b. 1. (4/5)*(3/4) 2.(4/5)*(1/4)+(1/5)*(4/5) 3. come one? two boys? seriously? -_- 4.(1/5)*(1/4)*2
inkyvoyd
  • inkyvoyd
c. 1*(1/5)+(1/5)*1=2/5
anonymous
  • anonymous
Are you sure a is not 5P2?
inkyvoyd
  • inkyvoyd
Yes, because emily and mary= mary and emily.

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