A brother and a sister appear for an interview against two vacant posts in an office. The probability of the brother's selection is 1/5 and that of the sister's selection is 1/3. What is the probability that only one of them is selected?

Q: There are 5 boys and 8 girls in a room. What is the probability that group of five have more boys…

A: There are 5 boys and 8 girls in a room.  TOTAL 13 people in room here use hypergeometric…

Q: A bag contains 10 red pens and 5 blue pens. If a student picks 2 pens from the bag, find the…

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Q: A bag contains 6 red, 3 blue, and 7 yellow poker chips. You randomly choose 2 poker chips, one at a…

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Q: John has an instructor who gives a midterm exam and a final exam. The probability that a student…

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Q: A bag of marbles contains 6 blue glass marbles, 8 yellow glass marbles, 33 blue stone marbles, and 2…

A: Probability quantifies the chances of happening an event. The probability values always lie in the…

Q: A Student takes an exam with 10 questions suppose that a student was able to study a little for the…

A: Given that, A Student takes an exam with 10 questions suppose that a student was able to study a…

Q: Suppose that 60% of all California motorists are insured. Find the probability  that more than 55%…

A: given data  P(insured) = p = 0.60 sample size n = 100 P(p^>0.55) = ?

Q: The chance of rain is 20%, the chance of it being sunny is 60%, and the chance of it being sunny and…

A: Let us denote  R=rain S=sunny Given that P(R)=20%=0.20, P(S)=60%=0.60, P(R and S)=10%=0.10

Q: A committee of 5 people is to be formed from 12 males and 15 females. Determine the probability that…

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Q: fair die is rolled three times. A 2 is considered success while all other outcomes are failures.…

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Q: A sculpted needs to make 3 wood sculptures to exhibit at an art gallery. There is a probability of…

A: Define : n=5; the number of pieces of wood curved.p=0.80k=0,1,2,3; the number of successes needed…