The probability that a student owns a CD player is 3/5. If eight students are selected at random, what is the probability that: (c) none of them own a CD player? (b) all of them own a CD player? (a) exactly four of them own a CD player?

Q: About one in every five Canadian residents were born outside of Canada. If 12 Canadian residents are…

A: # Given, one in every fire Canadian residents were born outside of Canada Then fr(outside) = 1/5…

Q: a. At LUG, 30% of students are majoring in Business. i. In a sample of 10 LUG students, what is the…

A: Given that,   Probability, p= 0.30   (i). If sample size is, n= 10  Then X~Binomial(10,0.30) p.m.f…

Q: A poll is given, showing 20% are in favor of a new building project. If 10 people are chosen at…

A: Given data, p=20%=0.20 n=10 P(X=5)=?

Q: 11. At Athens country club 73% of the member play bridge and swim, and 82% play bridge. If a membet…

A: Given: Prob. that member play bridge and swim =0.73 Prob. that member play bridge  =0.82

Q: Once a woman won​ $1 million in a​ scratch-off game from a lottery. Some years​ later, she won​ $1…

A: a. P(winning in 1st game )×Pwinning in 2nd  game=14200000×1705600=3.374365619×10-13

Q: A student receives, on average, 7 text messages in a 2-hour period. What is the probability that the…

A: To find the probability

Q: Compute the probability of an event E if the odds in favor of E are 2/5.

A: Odds of an event:The odds an event is given by the ratio of the probability of the event to its…

Q: In a local college, 70% of students have a part-time job outside of school. Suppose that we want to…

A: Here we need to find the following probabilities using binomial distribution.

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

A:

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: In a certain​ country, the true probability of a baby being a boy is 0.45. Among the next seven…

A:

Q: A fair coin is flipped 8 times. What is the probability of obtaining at least one H?

A:

Q: In a nearby​ town, 68​% of adults have health insurance. If 7 adults are randomly selected from the​…

A: Here p =P(having health insurance) = 68% =0.68

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: A batch of 50 items contains 10 defective items. Suppose 10 items are selected at random and tested.…

A:

Q: A poll is given, showing 20% are in favor of a new building project. If 6 people are chosen at…

A: ( 1 ) Given n =6,p=0.2,p(x=1) =? ( 2) Given n = 8 , p=0.05 , p( x=4 ) =?

Q: A golf ball is selected at random from a golf bag. If the golf bag contains 5 type A balls, 8 type B…

A: Here  the golf bag contains 5 type A balls, 8 type B balls, and 3 type C balls, Then, total balls =…

Q: a. What is the probability of a student getting "C" if the student is a male?

A: Here AS PER NOTE GIVEN I HAVE CALCULATED A PART

Q: The probability that a person on a certain beach will buy ice cream is 0.29. A. What is the…

A: Given Data: p=0.29 where p is the probability that a person on a certain beach will buy ice cream…

Q: What is the probability of getting at least one ace in a poker hand of five cards dealt from an…

A:

Q: In a large population, 55% of the people have been vaccinated. If 3 people are randomly selected,…

A: Let "X" be the people that have been vaccinated.

Q: What is the probability that you draw a red marble?: What is the probability that you choose exactly…

A: There are 19 marbles in a jar in which 4 red, 10 green, and 5 blue. The probability that draw a red…

Q: a man is dealt with four diamond cards from an ordinary deck of 52 cards. If he is given five more…

A: A standard deck of cards has four suites: hearts, clubs, spades, diamonds Each suite has 13 cards:…

Q: A survey reveals that 20% of the girls are Riphah come from remote areas. If 20 Riphah Girls are…

A: Binomial distribution is discrete distribution that deals with the probabilities of success and…

Q: f there are 19 people in a room, and 1 of them are wearing blue shirts, what is the probability that…

A:

Q: 322 chickens on a farm lay brown eggs and 326 chickens on the farm lay white eggs. If a chicken is…

A: The total number of outcomes is 322+326 =648. The number of favourable outcomes is 326.

Q: If there are, on the average, 7 defects in a new car, what is the probability that your new car has…

A: The Poisson distribution: A discrete random variable X is said to have a Poisson distribution with…

Q: At a certain umiversity, 4% of men are over six feet tall and 1% of women are over 6 fee tall.…

A: Given P(A l B) =0.01 P(B) =0.6 P(A l B') =0.04

Q: A shop has 72 customers in two hours . What is the probability that at most three customers will go…

A: There are 72 customers in 2 hours (120 minutes). So, average number of customers in a minute =…

Q: here are 500 seniors at a certain high school, of which 230 are males. It is known that 30% of the…

A: Using Tree diagram I have answered it

Q: What is the probability that a child expected from a certain family will be: a.) a boy b.) a girl.…

A: In this case, we need to find the probability that a child expected from a certain family will be a…

Q: 6. In a classroom of 30 students, 3 of the students wear wrist watches. If 14 students are selected…

A: Given,N=30M=3n=14X=2A random variable X~Hyper geometric(N=30 , M=3, n=14 , x=2)P(X=x)=MXN-Mn-xNn  ;…

Q: In a group of 20 students, 7 like ice tea and the others do not. Two students are randomly selected…

A: Given : Total students = 20 Number of students like ice tea = 7 number of students does not like ice…

Q: f seven fair coins are simultaneously tossed in the air, what is the probability

A: When a coin is tossed Probability of getting heads is =0.5 Probability of getting tails is =0.5 If 7…

Q: In an experiment involving smoke detectors, an alarm was set off at a college dormitory at 3 a.m.…

A:

Q: You pick a letter at random from a 26-letter alphabet. If you pick five letters, with repeating…

A:

Q: A factory produces candies, and 21% are blue. In the factory, the candies are randomly mixed…

A: Let X be the number of blue candies in the box, that follows binomial distribution with n=29 and…

Q: In a game of Jack n Poy, the player that wins 3 times out of 5 games is declared the winner. suppose…

A: Jack n Poy is a game performed by two players. Here, P(winning one time) = 1/2.

Q: (a) What is the probability that exactly 3 of 5 light users are HIV positive? (b) What is the…

A: Here , To find required probabilities ,  one of the method , Binomial probability law can be used.…

Q: A golf ball is selected at random from a golf bag. If the golf bag contains 8 type A​ balls, 5…

A: No.of type A balls =  8 No.of type B balls = 5 No.of type C balls = 6 Total number of balls =19…

Q: 10. The senior class is 55% female, and 32% are females who play a competitive sport. Find the…

A:

Q: In a game of Jack n Poy, the player that wins 3 times out of 5 games is declared the winner, suppose…

A: Binomial distribution: The probability mass function (pmf) of a binomial random variable X is given…

Q: In a secondary school, 65% of students who is studying in an art course have purchased a drawing…

A:

Q: A poll is given, showing 20% are in favor of a new building project. If 10 people are chosen at…

A: Solution: Let X be the number of people favor the new building project and n be the sample number of…

Q: A poll is given, showing 45% are in favor of a new building project. If 10 people are chosen at…

A: We have to find given probability.

Q: In a certain college, 33% of the physics majors belong to ethnic minorities. If 10 students are…

A: Solution-: Given: n=10,p=0.33 We find, P[no more than 6 belong to an ethnic minorities]=?

Q: In a certain shipment of 1000 laptops, 20 are defective. If a customer purchases the first 4 laptops…

A:

Q: Suppose you have a shipment of 100 drills, and four of them are defective. If you randomly select…

A: Define the random variable x as the number of defective drills. Here, the number of adults chosen…

Q: A random sample of 15 persons is taken from a population in which 42% are Muslims. What is the…

A: It is given that a random sample of 15 persons is taken from a population in which 42% are Muslims.