An accounting professor claims that no more than one quarter of undergraduate business students will major in accounting. What is the probability that in a random sample of 720 undergraduate business students, 170 or more will major in accounting? Use technology to find the probability, using 3 decimal places in your z-score. Give your answer to at least 4 decimal places. Don't forget the continuity correction

Q: According to www.meretrix.com, traffic fatalities occur at the rate 3.49 fatal accidents per 100…

A: a. The probability of having exactly 0 fatal accidents during the next 100 million vehicle miles is…

Q: The New York Times reported that 70% of adults know someone who has been exposed to coronavirus.…

A: Givenp=0.70n=20Let "x"be someone who has been exposed…

Q: A high school baseball player has a 0.217 batting average. In one game, he gets 7 at bats. What is…

A: P(hit) = p = 0.217 no. of trials (n) = 7 x = no. of hits P(x≥2) = ?

Q: A high school baseball player has a 0.266 batting average. In one game, he gets 6 at bats. What is…

A: The batting average is given as, .The no. of bats, .In this case, each batting has only options of…

Q: Assume that when adults with smartphones are randomly selected, 55% use them in meetings or classes.…

A: Given p=0.55 and n=25 Let X be the adults using smartphones in meetings and classes X ~ B(n, p)…

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: A polling agency claims that over 40% of adults shop for a gift within a week of an event.  In a…

A: We have given that p = 40% = 0.40  n = 2730x = 1130p̂ = x/n = 1130/2370 = 0.4139Significance level…

Q: A poll showed that 49.2% of Americans say they believe that statistics teachers know the true…

A: Given data:: The probability of the Americans who believe that statistics teachers know the true…

Q: A mail order company has a 11% success rate. If it mails advertisements to 515 people, find the…

A: Given Information: n=515p=11%=0.11To find the probability of getting less than 53 sales.

Q: The average price for an acre of land in Texas is  N(2700, 7802)  in dollars. Jaime will survey 121…

A: Given Let the price of the plot be X X~N2700,7802Sample size, n=121

Q: A nervous kicker usually makes 72% of his first field goal attempts. If he makes his first attempt,…

A: From the provided information, P (makes first field goal attempt) = 0.72 P (Makes second attempt|…

Q: Seventy-six percent of small business owners do not have a college degree. If a random sample of 50…

A:

Q: The probability that a randomly selected commuter listens to audiobooks during their commute is…

A: Given: p = 0.35 ∴ q = 1 – 0.35 = 0.65 n = 10 Let X denote the number of commuters that listen to…

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 recent data, 33% of people are left handed. In a sample of 200 people, how many would…

A: Answer: From the given data, Let X: Left handed people Sample size (n) = 200 P(left handed people) =…

Q: Out of 200 students, 86 use fb, 68 insta, and 29 use both. How many students surveyed use neither fb…

A:

Q: In a very delicate operation, the only chance of survival is 80 percent. Find the probability that…

A: 90% of 10 patients is X= 90*10/100 = 9 X= 9  We've to find the probability that exactly 9 patients…

Q: 0.72. Suppose that we randomly pick 25 daytime statistics students. In words, define the

A: Given that,The variable X has an exponential distribution with a mean is 0.72.No. of students To…

Q: P3 Harvard students graduate with honors =

A: Let , X be the number of Harvard students graduate with honors Here , X→B(n=3 , p=0.48) The…

Q: Use 4 digit On average 1.2 customers per minute arrive at an airline desk during the peak period.…

A:

Q: 62 out of 136 people suffered some type of depression last year. Find the probability that if you…

A: Given n=5

Q: recent study revealed that 49% of adult Americans believe human activity contributes a great deal to…

A: Given that, A recent study revealed that 49% of adult Americans believe human activity contributes a…

Q: A mail order company has a 7% success rate. If it mails advertisements to 636 people, find the…

A: Givenp=0.07n=636let "x" be no. of getting salesx~Binomial(n=636,p=0.07)P(X=x)=(nx)px(1-p)n-x  ;…

Q: The amount of time a customer spends in a convenience store can be modeled by an exponential…

A:

Q: 10% is the probability of failure of the students who are taking einstein's test. If there are 100…

A: Consider X denotes students fail the Einstein's test, which follows binomial distribution with n =…

Q: Assume that when adults with smartphones are randomly​ selected, 42​% use them in meetings or…

A: Here, theoretically, if we consider using of smartphones during meetings or classes, when selected…

Q: The number of days ahead travelers purchase their airline tickets can be modeled by an exponential…

A: The question is about exponential distribution.Given :No. of days travelers wait to purchase a…

Q: Based on a poll, among adults who regret getting tattoos, 30 % say that they were too young when…

A:

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

A:

Q: terback completes 67% of his passes, what is the probability that he will not complete his

A: A: The quarterback will complete passes The probability of passing is  P(A) = 0.67

Q: The average price for an acre of land in Texas is  N(2700, 7802)  in dollars. Jaime will survey 121…

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: What is the probability of having another man who earns more than the first man? Additionally, add…

A: It is given that  Mean, μ = 250000 SD, σ = 150000

Q: In a certain municipality, 70% of all residents are at risk of heart disease. If researchers…

A: When  X~Bin(n,p) P(X=x)=nCx×px(1-p)n-x ; x=0,1,2,..,n  Farmula used r!=r(r-1)(r-2)×..×3×2×1…

Q: Kevin, a traffic engineer, computes that there is an average of 235 subway delays per 30-day period.…

A: The given data is as follows:The average number of delays in a 30-day period is 235

Q: Uberya Towing Services repair vehicles that break down at an average 7.5 vehicles per day. The…

A: The following information has been given: The average value λ(arrival rate)=7.5 per day. The value…

Q: Doctors have indicated that 33% of the US population has A+ blood which is the second most common…

A:

Q: Last week a gumball machine dispensed 10 white gumballs and 16 other gumballs. Considering this…

A: Introduction: If X ~ Binomial (n, p), then the probability mass function of X is: Here, n is…

Q: According to recent data, 12 percent of people are left handed. In a sample of 20 people, how many…

A: Answer: Using the given data, Let X denotes the number of people who are left handed P(left handed)…

Q: An umbrella seller can earn 750 TL every day if the weather is rainy, and lose 100 TL if it is open.…

A:

Q: If he serves 15 times, what is the probability that he gets exactly 9 first serves in

A: Here use binomial distribution

Q: According to recent data, 21 percent of people are left handed. In a sample of 100 people, how many…

A: The expected number of the left handed people is obtained below as follows:   From the information,…

Q: A machine has 32 identical components which function independently. The probability that a component…

A: Given, n=32 p=0.24 The machine will stop working if more than three components fail.

Q: You buy a lottery ticket that costs $20. There are only 100 tickets available to be sold in this…

A: The amount for a lottery ticket is $20.