In a given​ year, 1,841,277 males and 2,071,896 females were born in a certain country. If a child is selected randomly from this​ group, what is the probability that it is​ female?

Q: If 8 different books are arranged at random on a shelf, what is the probability that a certain pair…

A: The number of books are 8.

Q: Suppose that 55% of people own dogs. If you pick two people at random, what is the probability that…

A: Given that 55% of the people own dogs. There are two people. Let us define the binomial random…

Q: In a certain voting precinct, 81% of voters are registered democrats. what is the probability that,…

A:

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

A:

Q: Suppose that 54% of people own dogs. If you pick two people at random, what is the probability that…

A: Given, 54% of the people own dog.That is

Q: A recent survey indicates that 62% of HKBU students who registered in an MATH course have purchased…

A:

Q: if 14 jurors are randomly selected from a population where 44% are minorities, what is the…

A: Obtain the probability that 2 or fewer jurors will be minorities. The probability that 2 or fewer…

Q: According to a​ newspaper, 40​% of bicycles stolen in a certain country are recovered. Find the…

A: Solution: We are given that 40​% of bicycles stolen in a certain country are recovered. Let x be the…

Q: (a) Suppose that 10 % persons in a large group of people are obese. If persons are checked one by…

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Based on a​ poll, 40​% of adults believe in reincarnation. Assume that 5 adults are randomly​…

A: Given that :  40​% of adults believe in reincarnation. i.e. p = 40% = 0.40 Sample size (n)  X…

Q: A poll is given, showing 65% are in favor of a new building project. If 5 people are chosen at…

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: 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 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: What is the probability that a student selected at random from the class is Married

A:

Q: what is the probability of getting at most one even-numbered card?

A:

Q: Suppose that 56% of students in a college have a smart phone. If you select three students at…

A: Solution: It is given that 56% of students in a college have a smart phone.  Thus, probability that…

Q: Suppose that 49% of people own dogs. If you pick two people at random, what is the probability that…

A: The probability that the people own dogs is 0.49.

Q: 2. From a group of 12 people, what is the probability that: a) none share a birthday b) at least two…

A: Probability is the measure of likelihood. It is calculated by dividing the number of favorable…

Q: In a certain conservative precinct, 69% of the voters are registered Republicans. What…

A: Solution: Given data; P = 0.69 Sample size (n) = 100 To find: P( X >= 58) =?

Q: A poll is given, showing 60% are in favor of a new building project. If 7 people are chosen at…

A: A poll shows that 60% are in favor of a new building project. Seven people are chosen at random.…

Q: Suppose that 15% of people own dogs. If you pick two people at random, what is the probability that…

A:

Q: Suppose that 53% of people own dogs. If you pick two people at random, what is the probability that…

A:

Q: In a market study, a researcher found that 70% of customers are repeat customers. If 10 customers…

A:

Q: 56% of Americans are active voters. If a sample of 40 random Americans is selected, what is the…

A:

Q: A poll is given, showing 55% are in favor of a new building project. If 10 people are chosen at…

A:

Q: Suppose that 30% of people own dogs. If you pick two people at random, what is the probability that…

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

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: 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: In a group of 150 men, 70 have played pool at least once. Suppose one of these 150 men is randomly…

A: Given that there are total 150 men.  Out of 150 men, 70 have played pool at least once.

Q: Among teenagers old enough to drive, 35% have their own cars. If a marketing research team randomly…

A: We want to find the probability

Q: Suppose that 50% of American adults have attended a college for at least one semester. If we select…

A: Given data, p=50%=0.50 n=400 P(X>300)=?

Q: In a group of 500 women, 120 have played golf at least once. Suppose one of these 500 women is…

A:

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

A:

Q: In a group of dogs, 20 dogs are poodles and 30 dogs are beagles. If a dog is selected at random,…

A: We want to find the probability a beagle is selected

Q: If 30% of the people in a community use the library in one year, find the probability that in a…

A: ANS#--> According to question the random variable X has binomial distribution  With parameter…

Q: If a fair coin is tossed 8 times, what is the probability of tossing a head on the 8th toss, given…

A:

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 60% of all women are employed outside the home, find the probability that in a sample of 20…

A: Given,         n=20         P= 0.60         q=1-p=1-0.60=0.40       PX=x=nCx Px1-Pn-1;…

Q: Suppose that at a large university 30% of students are involved in intramural sports. If we randomly…

A: Obtain the probability that fewer than 5 of these students are involved in intramural sports. The…

Q: In a secondary school, 58% of students who is studying in an art course have purchased a drawing…

A: We have to find given probability.

Q: In a given​ year, 1,845,909 males and 2,015,569 females were born in a certain country. If a child…

A: Solution

Q: Suppose that 28% of people own dogs. If two people are randomly selected, what is the probability…

A: Given that 28% of people own dogs. Sample size, n = 2

Q: Suppose that at a large university 30% of students are involved in intramural sports. If we randomly…

A: Obtain the probability that fewer than 6 of these students are involved in intramural sports. The…

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.

Q: A poll is given, showing 80% are in favor of a new building project. If 8 people are chosen at…

A: Given that, A poll is given, showing 80% are in favor of a new building project. Sample size, n = 8

Q: Suppose that 73% of students in a college have a smart phone. If you select three students at…

A: Let success denotes one selected student have a smart phone. Then p=probability of success= 0.73…

Q: Suppose that 38% of people own dogs. If you pick two people at random, what is the probability that…

A: Let p be the probability that a person owns dog. Given that p = 0.38

Q: From a group of 50 students at a university (10 students per year) a coordinating committee of 4…

A: Answer : - Given,   a group of 50 students at a university (10 students per year).…