If three letters of the English alphabet are selected at random, what is the probability of getting at least one letter x? (Letters can be used more once.)

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

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Q: poll is given, showing 70% are in favor of a new building project. If 8 people are chosen at…

A: According to the given information, we haveProbability, p = 70% = 0.70Sample size, n = 8

Q: A poll is given, showing 25% are in favor of a new building project. If 10 people are chosen at…

A: Given that, According to a poll,probability of favouring to new building project is 0.25   i.e.. P =…

Q: A poll is given, showing 40% are in favor of a new building project. If 2 people are chosen at…

A: Proportion of people are in favour of a new building project(p)=0.40sample size(n)=2

Q: Pip is the proud owner of an eclectic bow tie collection. He keeps track of how many bow ties he…

A: GivenThe probability that a bow tie is designed with zigzags = 0.5The probability that a bow tie is…

Q: A group of people were asked what instrument they play. They were divided up into youths and adults…

A: PianoViolinGuitarYouth273567Adult4469100

Q: A poll is given, showing 25% are in favor of a new building project. If 10 people are chosen at…

A: According to the given information, we have A poll is given, showing 25% are in favor of a new…

Q: If three coins are tossed simultaneously, the probability of getting at least one head is

A: Given that three coins are tossed simultaneously. we have to find PROBABILITY of getting at least…

Q: A poll is given, showing 50% are in favor of a new building project. If 9 people are chosen at…

A:

Q: A poll is given, showing 55% are in favor of a new building project. If 8 people are chosen at…

A: Binomial Distribution: If we have n trials each having two outcomes, say Success and Failure, trials…

Q: A poll is given, showing 75% are in favor of a new building project. If 9 people are chosen at…

A: Given information- We have given a problem of the binomial distribution. We have given that a poll…

Q: Suppose a math class contains 31 students, 19 females (two of whom speak French) and 12 males (three…

A: We have given that a math class contain 31 students, 19 females( 2 speaks French) and 12 males(3…

Q: Suppose a math class contains 47 students, 24 females (four of whom speak French) and 23 males (six…

A:

Q: A poll is given, showing 60% are in favor of a new building project. If 10 people are chosen at…

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Q: Two cards are selected from a standard deck of 52 playing cards. The first card is not replaced…

A:

Q: Suppose that 24% of people own dogs. If you pick two people at random, what is the probability that…

A: Given 24% of people own dogs

Q: From a group of 10 children, a team of 5 (the red team) is randomly chosen. The remaining 5 children…

A: Given information:Total number of students (n) = 10Total number of ways to select 5 students out of…

Q: A person draws a card from a hat.  Each card is one color, with the following probabilities:  1/20…

A: The probability of drawn of green card is 1/20. The probability of drawn of blue card is 1/10. The…

Q: Two cards are selected from a standard deck of 52 playing cards. The first card is not replaced…

A: We have to find  probability..

Q: i) That all the missiles hit the target? ii) That at least one hit the target? iii) That exactly 2…

A: Given : P (target 1) = 0.3 P (target 2) = 0.6 P (target 3) = 0.5

Q: A poll is given, showing 65% are in favor of a new building project. If 10 people are chosen at…

A: Given,65% are in favor of a new building project. That is, probability of success is p = 65% =…

Q: According to a survey, 67% of the students at Delta own a calculator. A group of 9 students is…

A:

Q: An experiment consists of randomly drawing a marble from a bag containing 7. red, 4 blue, a 3 prange…

A: Total Number of marbles : Red + Blue + orange = 7 + 4 + 3 = 14

Q: If two dice are thrown together, what is the probability of getting an even number on one dice and…

A: Given : Let E be the event of getting an even number on one die and an odd number on the other.Let…

Q: Suppose a math class contains 42 students, 18 females (six of whom speak French) and 24 males (four…

A: given that , total students =42 , female students = 18, male students = 24. Female students who can…

Q: A poll is given, showing 20% are in favor of a new building project. If 9 people are chosen at…

A:

Q: Suppose 33.3% of high school students eat pizza and 42% drink soda. If 17.3% of high school students…

A: P(high school students of eating pizza), P(A) = 0.333 P(high school students of drink soda), P(B) =…

Q: With a standard 52 deck of cards find the probability to withdraw randomly a face card or a heart .

A: Given data: A standard 52 deck of cards

Q: Suppose a math class contains 25 students, 11 females (two of whom speak French) and 14 males (five…

A: GivenTotal no. of students = 25No. of females = 11No.of females whom speak french = 2No.of males =…

Q: A person draws a card from a hat. Each card is one color, with the following probabilities of being…

A: Given that P(blue) =1/10 and P(red) =1/20

Q: he probability that an individual has 20-20 vision is 0.14. In a class of 77 students, what is the…

A: Given Information:  Probability that an individual has 20-20 vision is 0.14 i.e., p = 0.14 Sample…

Q: A poll is given, showing 30% are in favor of a new building project. If 10 people are chosen at…

A: Let X be the random variable from binomial distribution with probability (p) = 30% = 0.30 and sample…