According to the American Marketing​ Association, in one​ month, 25% of a social​ media's users were between 25 and 34 years old. If a random sample of nine adults was selected. Complete parts a through d.   What is the probability that exactly one adult from this sample was between 25 and 34 years​ old?

Q: A study indicates that 73% of cars have have satellite radio. You randomly sample 8 cars. Find the…

A: Binomial distribution: The binomial distribution gives the probability of number of successes out of…

Q: This problem involves students who have taken Calculus in high school. Assume that 15 percent of…

A: Probability quantifies the chances of happening an event. The probability values always lie in the…

Q: Sixteen of the 200 digital video recorders in an inventory are known to be defective. What is the…

A: It is given that, 16 of the 200 digital video recorders in an inventory are known to be defective.

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A: Given: Total number of calculators produced=83,000 Number of calculators returned=1460

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A: I solved exactly first 3 subpart because of bartleby policy....   Let random variable X: number of…

Q: According to the National Center for Education Statistics, 17% of all people in the United States,…

A:

Q: If 14% of active duty soldiers in the U.S. Army are women, find the probability that if four…

A: Let X represent the random variable   n=4 p=0.14   X~ Binomial (4, 0.14)

Q: The mean number of fires in an organized industrial district is one per week. If the records of 10…

A: The given data: Mean, λ=1  This follows Poisson distribution. PX=x=λxe-λx! Thus the probability that…

Q: If the probability of having a female tortoise is 0.35, what is the probability of having four…

A: Given that,  The probability of having a female tortoise is, p = 0.35 The no.of eggs in a nest is, n…

Q: According to a research​ corporation, 46​% of women in a particular region suffer from holiday​…

A:

Q: According to some estimates, approximately 34.3% of the American population has A+ blood.  Suppose…

A: From the provided information, 34.3% of the American population has A+ blood that is p = 0.343…

Q: A bag has 10 pumpkin scented hand sanitizers, 6 cinnamon scented hand sanitizers, and 7 apple pie…

A: A bag has 10 pumpkin scented hand sanitizers, 6 cinnamon scented hand sanitizers, and 7 apple pie…

Q: According to a WHO poll, 66 percent of the world's population experiences severe stress at least…

A: Solution

Q: A zoo has a collection of 400 flamingos. 180 of these flamingos are red. One day, a fence blew down…

A: Given : A zoo has a collection of 400 flamingos. 180 of these flamingos are red.

Q: A basketball player with a history of making 80% of the foul shots taken during games. What is…

A: Given that n =7 , p= 0.80 Find P ( X =5 ) =?

Q: 77% of all students at a college still need to take another math class. If 38 students are randomly…

A: Given data, n=38 p=77%=0.77 P(X=30)=?

Q: A class in Engineering Data Analysis consists of 6 women and 4 men. Their grades are calculated, and…

A:

Q: According to a recent survey approximately 68% of students at this campus are women. A group of 20…

A: Solution: Let X be the number of students are women and n be the sample of students. From the given…

Q: If the probability of choosing a red chip from a bucket is 0.4, What is the probability of not…

A: We have the probability of choosing a red chip from a bucket is 0.4

Q: According to Gallup poll, 36% of all college students use an Apple i phone only.  If a sample of 200…

A: 1. Consider that p is population proportion of all college students who use an Apple i phone.

Q: An insurance company found that 16% of drivers were involved in a car accident last year. If 8…

A: Probability of drivers were involved in a car accident last year(p)=0.16sample size(n)=8Let "x" be…

Q: Twenty percent of all undergraduates at a university are chemistry majors. In a random sample of…

A: Given information:Population proportion (p) = 20%                                         p =…

Q: You want to determine the probability that when five consumers are randomly selected, exactly two of…

A: The question is about binomial prob. distribution Given : No. of randomly selected customers ( n ) =…

Q: If math. Professor receives on average of 5 e-mail messages per day from Students, then the…

A:

Q: A magazine reported that 6 percent of all drivers talk on their cell phone while driv If 300 drivers…

A: Given data, p=6% =0.06 n=300 P(0.04<X<0.07)=?

Q: Find the probability of 62 or more participants believing life on other planets is plausible

A: From the original problem, It is given that the number of observations are independent with…

Q: When purchasing boards from a wood supplier, it has been documented that 44% of the boards that are…

A: Given that  Sample size n =300 Population proportion p=44%=0.44

Q: According to a study, 20% of corporate officers are women. Suppose that you select a random sample…

A:

Q: According to a survey, 78% of the students at Delta own a calculator. A group of 18 students is…

A: The probability that a student at DElta owns a calculator: p = 0.78   To find: When a group of 18…

Q: The newspaper reports that among individuals in the 18 to 22 age, 25% drink coffee. If 400 people of…

A: Given,n=400p=0.25q=1-0.25=0.75np=400×0.25=100≥5nq=400×0.75=300≥5we can use normal…

Q: The National Coffee Association reports that among individuals in the 45 to 55 age, 70% drink…

A:

Q: The Club reports that among individuals in the 28 to 32 age, 35% are football fans. If 200 people of…

A: We have given that p = 35% = 0.35 n = 200

Q: In 2002, approximately 39% of the people eligible to vote in mid-term elections voted. Suppose you…

A: Number of trials n=7Success of probability p=0.39X~binomial (n,p)nCx=n!/x!(n-x)!Probability mass…

Q: 200 volunteers at a local kennel were surveyed. It was found that 132 women and 68 men volunteered.…

A: given data  132 women 68 men _______________ 200 total surveyed   of the 132 women 91 liked dogs and…

Q: 80% of teenagers have access to some social media. If you do a random survey of 400 teenagers, what…

A:

Q: 2016, 75.8% of women aged 20-24 had no children. What is the chance that if you wanted to meet a…

A: Given that : In 2016, 75.8% of women aged 20-24 had no children.  What is the chance that if you…

Q: In a test for ESP, the experimenter looks at cards that are hidden from the subject. Each card…

A: In this case, each of the subjects has the only option of guessing a card "correctly" (defined as…

Q: Given 40% of American college students fail to earn a degree and 32% of college students that do…

A: Percentage of people who earn the degree = 60% Percentage of people who earn the degree and don't…

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: 1. A survey showed that 8% of Internet users age 18 and older report keeping a vlog. Referring to…

A: Answer)  Giventhat:- P[X=vlogger]=0.08 P[X=non-vlogger]=0.92 P[Y=young adult|X=vlogger]=…

Q: One manufacturer claims that only 10% of its total production is defective. 28 items are randomly…

A: Let, X=the number of defectives n=number of trial=28  p=probability of success=10%=0.10   X follows…

Q: An insurance company reported that 75% of adults stated they are distracted by their smart phone…

A: Number of trail n=8Probability of success p=0.75X~Bin(n,p)

Q: According to data on the sale of Vehicles in Barbados, it was calculated that men purchase 75% of…

A: From the provided information, Men purchase 75% of vehicles in Babados (p) = 0.75 Sample size (n) =…

Q: A group of students consisting of 20 males and 20 females were selected to participate in a research…

A: The number of male students is 20 and the number of female students is 20.

Q: 96 percent of adults own a smart phone around the world. In a random sample of 250 adults, what is…

A: Number of sample =250p=0.96