According to the April 26, 2017, USA Today Snapshot "Math Challenge," 82% of college students incorrectly answered a difficult calculus question involving fractions on the first try. The source was Cengage's WebAssign survey of 2,200 college students.   Use the normal approximation to the binomial distribution to find the probability that in a survey of 150 calculus students at your college, between 115 and 135 inclusive answer a difficult calculus question with fractions incorrectly on their first try. (Round your answer to four decimal places. Use a table or technology.)

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: According to past reports 51% of employees own a car. In a random sample of 106 employees, how many…

A: Total no.of employees(n)= 106 The percentage of employees own a car(p)= 0.51

Q: 2016, 48.3% of college students voted.  What is the probability of getting 40 or fewer students who…

A: Number of trail n=100Probability of success p=0.483

Q: of the parts produced by a particular machine, 0.8% are defective. If a random sample of 7 parts…

A: According to the given information, The probability of success in a trial is :-P = 0.8%  =…

Q: A junk drawer at home contains eighteight pens, fourfour of which workwork. What is the probability…

A:

Q: A study indicates that 67% of students have have a laptop. You randomly sample 7 students. Find the…

A: Given that, The random variable X students have a laptop The probability of success is 0.67 p=0.67…

Q: According to past reports 48% of employees own a car. In a random sample of 250 employees, how many…

A: Total no.of employees=250 The percentage of employees own a car=0.48

Q: A poll showed that 68.5% of Americans say they believe that Marilyn Monroe had an affair with JFK.…

A: Given information- Percentage of Americans believe that Marilyn Monroe had an affair with JFK =…

Q: In a large city, 70% of people own a cell phone. A sociologist wishes to study the impact cell…

A: The objective of this question is to find the probability that between 33 and 36 people out of a…

Q: 20% of men in a certain community are more than 6 ft tall. An anthropologist samples 5 men from a…

A: The binomial dist. is a discrete prob. dist.

Q: In a recent survey, 303 out of 350 residents of Salem, MA said they are planning on passing candy…

A: here given ,  303 out of 350 residents of Salem, MA said they are planning on passing candy during…

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: A study indicates that 37% of households have have a dog. You randomly sample 8 households. Find the…

A:

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: 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: 68% of adults would still consider a car brand despite product/safety recalls. You randomly select…

A:

Q: The table summarizes results from 978 pedestrian deaths that were caused by automobile accidents.…

A: It is given that,

Q: 53% of undergrads at UD are from Ohio. If a Simple Random Sample of 180 UD undergrads will be taken,…

A: proportion of Undergrads at UD are from Ohio(p)=0.53sample size(n)=180Mean()=p=0.53standard…

Q: In 2017, 39.2% of the total email messages is spam. If 59 email messages from 2017 are randomly…

A: From the given information ,39.2% of the total email messages is spam .ie, P(success) = p = 39.2% =…

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

A:

Q: A student takes a true-false test but did not study and randomly guesses each answer. There are 20…

A:

Q: A junk drawer at home contains nine pens, five of which work. What is the probability that you…

A: The objective of this question is to find the probability of picking three pens from a drawer, none…

Q: One half of the people in the United States own individual stocks. In a random sample of 12 people,…

A: Given that  Number of trials n=5 Success of probability p=0.5 X~binomial (n,p)

Q: Recently, the top web browser had 57.41% of the market. In a random sample of 200 people, what is…

A:

Q: In a large population, 59%6 are infected with a certain disease. If you take a random sample of 30,…

A: Given,n=30p=0.59Let x=no.of people infected with certain disease.x~Binomial(n=30 , p=0.59)P(X=x)=Cx…

Q: accounting professor claims that no more than one quarter of undergraduate business students will…

A:

Q: study indicates that 29% of singles have have tried online dating. You randomly sample 9 singles.…

A: Let X be the random variable from binomial distribution with probability (p) = 29% = 0.29 and sample…

Q: The table summarizes results from 983 pedestrian deaths that were caused by automobile accidents.…

A: Multiplication rule is : P(A and B)=P(A)*P(B) Given data is : Driver  intoxicated Pedestrain…

Q: A survey of 400 randomly selected high school students determined that 286 play organized sports.…

A: The objective of this question is to find the probability that a randomly selected high school…

Q: A biologist estimate that 70% of the deer carry a type of tick. For a sample of 300 deer random,…

A: Given P=70% n=300

Q: A healthcare agency reported that 51% of people who had coronary bypass surgery in 2008 were over…

A:

Q: In a brand recognition study, 806 consumers knew of Starbucks, and 19 did not. Use these results to…

A: The question is based on a probability Given : No. of consumers who knew S = 806 No. of consumers…

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: university study involves a simple random sample of 26 students taken from a population of​ 12,550.…

A: Given that Simple random sample size (n) = 26 Population size  = 12,550 Undergraduate students make…

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: The table summarizes results from 988 pedestrian deaths that were caused by automobile accidents.…

A: Total (231+611)= 842 cases involved drivers that were not intoxicated.  We can pick two cases from…

Q: cent of couples who plan to marry this year are planning destination weddings. Assume the variable…

A: The probability that fewer than 3 couples will have a destination wedding is, P ( X < 3 )  =P ( 0…

Q: A recent survey reported that 47​% of​ 18- to​ 29-year-olds in a certain country own tablets. What…

A: Probability that 18-to-29 year olds in a certain country own tablets(p)=0.47sample size(n)=6Let "x"…

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: 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

Q: Sixty-three percent of U.S. households have a personal computer. In a random sample of 400…

A:

Q: 75% of American adults received a speeding ticket. If a random sample of 20 adults is selected, find…

A:

Q: uppose that 72% of Veterinary School graduates who take the licensure exam for their state pass the…

A: p =0.72 n = 150 z-critical value at 0.75 = 0.6745