You roll a fair six-sided die three times. What is the probability that there are at least two differentnumbers among the results?

Q: f 9 out of 1496 people have a certain genetic defect, what is the probability of selecting three…

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Q: A monk crossbred plants, which can have purple or white flowers, and obtained 600 plants with white…

A: The number of white flower plant are 600. The number of purple flower plant are 250.

Q: a fair six sided die is rolled 10 times.each is independent.you want to find probability of finding…

A: Let the random variable X denotes the number of times a fair six-sided die is rolled. The number of…

Q: What is the probability of a die showing a 2 or a 5?

A: If die are rolling then sample space is,  S = { 1, 2, 3, 4, 5, 6 }

Q: In a large population 59% of the people hace been vaccinated.  If 5 people are randomly selected…

A: Binomial distribution: The binomial distribution gives the probability of number of successes out of…

Q: A standard die is rolled three times. What is the probability of rolling a number greater than 5 on…

A: We have to find correct answer..

Q: An urn contains 4 white balls and 6 red balls. A second urn contains 7 white balls and 3 red balls.…

A: Let us denote A=first ern B=second ern W=white ballR=red ballGiven that P(A)=0.7, P(B)=1-0.7=0.3The…

Q: Thirty percent of the students in Unix College is in favour of a ban on drinking in the dormitories.…

A: Let us assume that X= number of students who favor ban  X follows a binomial distribution with…

Q: The probability of being dealt a hand containing 3 spades, 4 hearts, 2 diamonds, and 2 clubs is.…

A: Here use hypergeometric distribution

Q: An archer is able to hit the bull's-eye 60% of the time. If she shoots 25 arrows, what is the…

A: Let "X" be she is able to hit the bulls-eye.

Q: In a large school, it was found that 64% of students are taking a math class, 74% of student are…

A: The objective of this question is to find the probability that a randomly selected student is taking…

Q: A pharmacist receives a shipment of 23 bottles of a drug and has 3 of the bottles tested. If 6 of…

A:

Q: Sixty percent of the students at a certain school wear neither a ring nor a necklace. Twenty percent…

A: Solution: Let A be the event that the students wear a ring. P(A)= 0.2 B be the event that the…

Q: A physics class has 50 students. Of these, 17 students are physics majors and 18 students are…

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

Q: The probability that a person has blood type A is 0.3. Two persons are selected at random. What is…

A: GivenThe probability that a person has blood type A is 0.3

Q: The proportion of male and female students in a class is found to be 1:2. What is the probability…

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Q: The probability that A hits a target is 1/5 and the probability that B hits it is 1/7. What is the…

A: Probability that A hits a target = 1/5 Probability that B hits a target is 1/7 If two event A and B…

Q: A group of people were asked if they had run a red light in the last year. 326 responded "yes", and…

A: Given, a group of people were asked if they had run a red light in the last year, 326 responded…

Q: The probability of success of three students X, Y and Z in the one examination respectively. are…

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Q: In a large population, 16% of the people are left-handed. In a random sample of 5 people, determine…

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Q: The probability of randomly selecting a red marble from a jar that contains 10 red marbles and 30…

A: Solution: From the given information, a jar contains 10 red marbles and 30 blue marbles. Total…

Q: I roll a regular six-sided die. What is the probability that the score is an even or prime number?…

A: A regular six-sided die is rolled. The sample space is, S=1, 2, 3, 4, 5, 6 Here even numbers are 2,…

Q: The probability that a patient recovers from a delicate heart operation is 0.9. What is the…

A: Given n=7 P=0.9

Q: A production of 20 fuses is received by the store. It is known that 4 of the fuses are defective.…

A: Let n be the sample size  X be the number of defective fuse  X~Bin(n,p)

Q: A fair die is rolled once. You win Rs.5 if the outcome is either even or divisible by 3. What is the…

A: GivenA die is rolled then the possible outcomes are{1,2,3,4,5,6}the number of possible outcomes of…

Q: Find the probability of getting 6 and 5 respectively in two throws of a die.

A: