A candidate is selected for interview for three posts. For the first post there were 3 candidates, for the second 4 and for the third 2. What is the probability that the candidate selected for at least one post?

Q: If a person randomly picks and buys one of the four newsletters in the street each morning. What is…

A: A number of events are said to be independent if the probability of occurrence of any one of them is…

Q: in a beauty pageant with 10 finalists and with equal chances of being chosen, what is the…

A: All the 10 finalist are equally likely to be chosen as winner, for equally likely outcomes the…

Q: In a certain population of women, 40% have had breast cancer, 20% are smokers and 13% are smokers…

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Q: In a random group of 5 individuals, what is the probability that at least two of them have the same…

A: We have given that the group of 5 individuals.

Q: Three people are chosen at random.   What is the probability that at least two of them were born on…

A: For any event A and the sample space S, the probability can be found as,

Q: For people are sitting around a table with two brothers.  How many different positions can they…

A: Given data four people are sitting around a table with two brothers

Q: From a group of 9 boys and 12 girls, a committee of 4 students is chosen at random. a. What is the…

A: Given: 9 boys 12 girls Total = 12+9 =21 students

Q: A physics class has 50 students. Of​ these, 14 students are physics majors and 17 students are…

A: It is given that the, A physics class has 50 students. Of​ these, 14 students are physics majors and…

Q: If a person randomly picks and buys one of the four newsletters in the street each morning. What is…

A:

Q: If 20% of the bolts produced by a machine are defective, determine the probability that out of 6…

A: Given: p=20%=0.20n=6

Q: A foreign student club lists as its members 2 Canadians, 3 Japanese, 5 Italians, and 2 Germans. If a…

A: Answer : Canadians = 2  Japanese = 3 Italians = 5  Germans = 2 Total students = 2+3+5+2 = 12 Number…

Q: A bag contains 3 white balls and 5 black balls. If two balls are drawn in succession without…

A:

Q: In a family with 4 children, excluding multiple births, what is the probability of having 2 girls…

A: Probability is ratio of favourable chances to total chances. Total chances = S Favourable chances =…

Q: What is the probability that at least four of the next 5 cars get a green light

A: It is given that  Green light = 40 seconds Red light = 15 seconds Yellow light = 5 seconds

Q: Among a company's employees, suppose that 65% like the work that they do for the company, 80% like…

A:

Q: Suppose that 20% of people own dogs. If you pick two people at random, what is the probability that…

A: Given that, 20% of people own dogs. Sample size = 2

Q: A physics class has 50 students. Of​ these, 13 students are physics majors and 18 students are…

A: It is given that the number of students in physics class is 50. Among that the physics majors are 18…

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: Among contestants in a competition are 49 woman and 29 men. If 5 winners are selected, what is the…

A: Obtain the probability that they are all woman. The probability that they are all woman is obtained…

Q: The mathematics department of a college has 14 male professors, 15 female professors, 9 male…

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Q: In a particular community, 60% of the voters are Democrats, and 40% are Republicans. 44% of the…

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Q: A committee of 5 is to be selected from a group of 6 men and 9 women. If the selection is made…

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Q: In a group of 2500 persons, are female, 600 are vegetarian, and are female and vegetarian. What is…

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Q: In a class of 30 students, 12 have a cat and 19 have a dog. There are 6 students who do not have a…

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Q: What is the probability that Olivia receives exactly 3 texts from Robert after the fifth text, but…

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Q: A company has 140 employees of which 30 are supervisors. Eighty of the employees are married and 20…

A: Given data, P(Married)= 80/140 = 0.5714 P(Supervisor | Married)= 0.20 P(Married and supervisor)=?

Q: A physics class has 50 students. Of​ these, 10 students are physics majors and 15 students are…

A:

Q: Suppose that 85% of people are voting in the election. If you pick two people at random, what is the…

A: Obtain the probability that they both are voting in the election.   The probability that they both…

Q: The probability that the children in a specific family will have brown eyes is 3/8. If there are…

A: Given that event=children will have brown eyes=3/8 Children without brown eyes=1-3/8=5/8 Total…

Q: A bag contains 20 marbles, of which 3 are blue and 7 are green. One marble is drawn from the bag.…

A: Given Total number of marble=20 Number of blue marble=3

Q: A committee of 4 people is to be randomly selected from a group of 9 people, including Pedro.  The…

A: It is given that, There is a group of 9 people including Pedro.  We have to form a committee of 4…

Q: a marble is selected at random from a jar containing 6 red marbles, 5 yellow marbles, and 4 green…

A: Given,  containing 6 red marbles, 5 yellow marbles, and 4 green marbles Probability= no. Of…

Q: A painting is selected at random from the three Manila painters, what is the probability that it won…

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Q: A class has 14 girls and 12 boys and a committee of 5 is chosen. What is the probability that this…

A: We have given that Number of girls = 14 Number of boys = 12 Total students = 12+14 = 26 We have to…

Q: A bag contains 7 coins, of which 3 are fair; the remaining coin has a head on both sides. If a coin…

A: Concept of probability: Probability deals with the likelihood of occurrence of a given event. The…

Q: Suppose that 65% of people are voting in the election. If you pick two people at random, what is the…

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Q: One card is drawn of random from a pack of 52 cards. What is the probability that the card drawn is…

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Q: Suppose that 51% of people own dogs. if you pick two people at random what is the probability that…

A: Given: The value of 51% of people own dogs includes the pick two people at random. The probability…

Q: If 20% of the bolts produced by a machine are defective, determine the probability that out of 4…

A:

Q: if two students are randomly chosen from a group of 3 boys and 3 girls, what is the probability that…

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Q: A bag contains 10 green balls and 6 orange balls. If a ball is picked at random, what is the…

A: Given: Number of green balls is, ng=10. Number of orange balls is, no=6. The objective is to find…

Q: A color tile will be taken at random contains 2 blue tiles, 5 red tiles, and is the probability that…

A: Given data, Number of blue tiles=2 Number of red tiles=5 Number of green tiles=4 Total number of…

Q: There are nine women and four men on a committee. A subcommittee of three people is selected at…

A: All three people selected are women is denoted as A and all three are the same gender is denoted as…

Q: The probability that a person will have 0, 1, or 2 dental checkups per year is 0.3,0.6 , and 0.1,…

A: if there are m no. of event with probability p1,p2,....pm and if we carry out Experiment with N…

Q: Suppose that 40% of boys opted for mathematics and 60% of girls opted for mathematics. What is the…

A: Define the events as: B: The student is a boy B' : The student is not a boy (the student is a girl)…

Q: A classroom has five students wearing glasses and 16 students not wearing glasses. If we randomly…

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Q: A snack tray is arranged with 6 cups of apple slices in the first row, 8 cups of orange slices in…

A: Introduction: Suppose an experiment consists of n total number of possible outcomes, out of which, n…

Q: A man drops 10 black stones and 30 white stones into a bag. what is the probability that a stone…

A: Let W be the drawn stone is white. There are totally 40 stones in a bag out of which 10 are black…

Q: A class has six students. What is the probability that at most four of the students were born on a…

A: We know that there are 7 days in a week. The number of weekdays=5 So the probability of having a…