In a population where 26 % of voters prefer Candidate A, an organization conducts a poll of 5 voters. Find the probability that 3 of the 5 voters will prefer Candidate A.

Q: in a small private school, 4 students are randomly selected from 15 available students. what is the…

A: The number of combinations is: 15C4 = (15! / (4! (15−4)!) 15C4 = 1365

Q: L As only 3 students came to attend the class today, find the probability for exactly 4 students to…

A:

Q: a. Find the probability of getting exactly 1 girl in 8 births.

A: It is given that X : number of girls among 8 children.

Q: Find the probabilities of getting Three 3s and then a 4 or a 5 in 4 rolls of a balanced die

A: a) since probability of a head on a fair coin is 1/2 therefore due to independence of trials P(eight…

Q: In a class of 6 girls and 5 boys, what is the probability of having girls and boys seated…

A: The provided information is  6 Girls 5 Boys  The arrangement is Girls on first seat and girls on the…

Q: An ice chest contains 4 cans of apple juice, 6 cans of grape juice, 6 cans of orange juice, and 8…

A: Probability of any event can be given by as P = no. Of favorable cases/, total no of cases

Q: 5) People were asked if they prefer Pepsi or Coke. The results are in the table below. Female Male…

A: ( a ) P( both prefer Pepsi) = ? ( b ) P( Female or Coke ) = ?

Q: According to a survey of American households, the probability that the residents own 2 cars if…

A: According to the provided data,

Q: In one​ lottery, a player wins the jackpot by matching all five numbers drawn from white balls​ (1…

A: The player can pick 5 numbers from 42 numbers in 42C5 ways. (white balls) And 1 number from 32…

Q: If two cards are selected from a standard deck of 52 cards and are not replaced after each draw,…

A:

Q: Find the probability of obtaining a 4 in each of two successive tosses of a pair of dice

A: In a dice, the probability of getting any number is equally likely Hence, P( first toss is 4) = 1/6…

Q: Find the probability that the student was male AND got a "A".

A:

Q: In a family with 3 children, excluding multiple births, what is the probability of having exactly 2…

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: A manufacturer produces switches and experiences that 2% switches are defective. The probability…

A: Given: p(defective switches) = 0.02 n = 60

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

A:

Q: Given a group of 9 men and 11 women, find the probability of selecting a committee of 4 that has…

A:

Q: In one town, 44% of all voters are Democrats. If two voters are randomly selected for a survey, find…

A: Given that, 44% of all voters are Democrats.  Sample size, n = 2

Q: If 3 people are randomly selected from all the people in the four cities, what is the probability…

A: From the bar chart, it is clear that 42.767 (in thousands) are from Edmonds and 56.752 (in…

Q: Find the probability of randomly selecting 3 students from Utah out of a group of 12 students, 5 of…

A:

Q: According to insurance records, a car with a certain protection system will be recovered 95% of the…

A:

Q: In a large hotel, it is known that 99% of all guests return the room keys when checking out. If 250…

A:

Q: B. 80% of people who have sports cars are men, if 10 sports car owners are randomly selected, find…

A:

Q: In a class of 10 students there are 4 boys and 6 girls. If a committee of 3 students is selected…

A:

Q: A financial services committee had 6060 ​members, of which 1010 were women. If 99 members are…

A: Solution: a. From the given information, a financial committee had 60 members. Among them 10 are…

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: The Wilson family had 7 children assuming that the probability of a child being a girl is 0.5, find…

A: Let "X" be the girl child in Wilson family

Q: In a population where 34%34% of voters prefer Candidate A, an organization conducts a poll of 1010…

A: Let, X= number of voters who will prefer candidate A. Given that the probability of voters who…

Q: A poll is given, showing 50% are in favor of a new building project. If 8 people are chosen at…

A: Let "X" be the people who are in favor of the new building.

Q: In a group of 100 students, 80 study Physics, 90 study Math and 5 study none of the subjects. What…

A: The union of events A and B is defined as n(A ∪ B) = n(A)  + n(B) – n(A ∩ B).

Q: Find the probability distribution for the number of dance collections when three collections are…

A: Given that, three collections are selected at random from a dance collection consisting of three Hip…

Q: A poll is given, showing 75% are in favor of a new building project. If 6 people are chosen at…

A: ANS#-> Let the random variable X has binomial distribution  With parameter   n = 6   ,  p = 0.75…

Q: find the probability that only three have traveled to Italy.

A: Let p be the probability that a tourist have traveled to Italy. Given that p = 0.55 Let X denotes…

Q: A city has two daily newspapers, A and B. A survey of 100 residents of the city shows that 35 people…

A: Given, A survey of 100 residents of the city shows that 35 people subscribe to A, 60 subscribe to B…

Q: Given a family with four children, find the probability of the event. The youngest three are boys,…

A: To find the probability of the youngest three are boys, given that the youngest is a boy

Q: At a particular restaurant, 56% of all customers order an appetizer and 42% of all customers order…

A:

Q: A poll is given, showing 55% are in favor of a new building project. If 9 people are chosen at…

A: If 9 people are chosen at random, Probability of exactly 1 of them favors the project: 0.00832…

Q: Of the 8000 students in Hunter College, 5000 takes statistics, 2600 takes chemistry, and 800 takes…

A: Of the 8000 students in Hunter College, 5000 takes statistics, 2600 takes chemistry, and 800 takes…

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: In the game of Monopoly, a player is sent to jail if he or she rolls doubles with a pair of dice 3…

A: In a game of monopoly, player is sent to jail if he or she rolls doubles with a pair of dice 3 times…

Q: From a group of 4 men and 5 women, a committee of size 3 is to be selected. Find the probability…

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Q: In a group of 78 people; 24 drink tea and 31 drink coffee. Find the probability that a person picked…

A: 24 - drink tea 31 - drink coffee total 78 people select at random

Q: In a particular community, 70% of the voters are Democrats, and 30% are Republicans. Sixty percent…

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Q: In a summer camp, 48% of the children are enrolled in swimming and 40% in tennis. One-third of the…

A:

Q: In a survey of 150 investors who had recently purchased shares: 85 said they had bought share A, 70…

A: Here,PA=85150PB=75150Pneither A nor B=PA∩B=35150

Q: A certain type of ochro seed germinates 75% of the time. A backyard farmer planted 6 seeds. The…

A: Let the random variable 'X' represent the number of seeds that germinate. The random variable X will…

Q: In a recent survey, 70% of the community favored building a health center in their neighborhood. If…

A: Let "X" be the community favored by building a health center in their neighborhood.

Q: Of the 30 people working out in the gymnasium one afternoon, 25 are nonsmokers. If 5 are randomly…

A: Here N= 30 and 25 are nonsmokers,  So probability of being nonsmokers is p= x/N q=25/30  q=0.833…

Q: In a recent survey, 60% of the community favored building a health center in their neighborhood. If…

A:

Q: in a public control room there are on an average 3 calls per 10 minutes interval. find the…

A: Let X=the number of calls in a 10-minute interval. X follows a Poisson distribution with mean=3…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.