It has been observed that 23% of all new cars sold by a dealership were white. A study was conducted of 100 new cars sold in the past month. What is the probability that fewer than 20 sold were white? 0.0631 0.2047 0.2811 O correct answer is not given

Q: researcher found that 85% of white ash trees in Pennsylvania are damaged by the emerald green ash…

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Q: According to a 2009 Reader's Digest article, people throw away approximately 20% of what they buy at…

A: Given data Probability of throwing away (p) = 0.2 No of grocery shoppers(n) = 100 Probability that…

Q: Historically, the final exam for an introductory statistics course has had a 75% pass rate. Suppose…

A: From the provided information,p = 0.75n = 250

Q: It is known that 35% of adult females are experiencing sleep disorder. If 17 adult females are…

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Q: According to government data, the probability that an adult was never in a museum is 15%. In a…

A: Given,n=10p=0.15q=0.85A random variable X~Binomial(n=10 , p=0.15)P(X=x)=Cx100.15x0.8510-x    ;…

Q: A federal study showed that 63.8%of occupants involved in a fatal car crash wore seat belts. Ofthose…

A: Define the events: E : Event that the occupant was ejected from the vehicle A: Event that the…

Q: Approximately 6% of American drivers d not text while they drive. Suppose you are working with a…

A: It is given that the proportion of American drivers do not text while they drive (p) is 0.06 and the…

Q: The table below shows the results of a survey that asked the involvement of a person in a charity…

A: Required  probability is P(someone who didn't respond never)

Q: The average monthly grocery bill for an individual is normally distributed with a mean of $85 and a…

A: Solution: Let X be the average monthly grocery bill for an individual is normally distributed with…

Q: The Statistical Bulletin reports that 22.5% of the households in the country are inhabited by one…

A: See below hand written answer: hgyukj

Q: An automated assembly line produces 43,500 parts per duty cycle. The probability that a randomly…

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Q: ◆. Mammograms are 80% effective in detecting breast cancer. However, their false positive rate is…

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Q: How many times did the ride run during that hour?  What was the highest rider count?  What was the…

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Q: It is known that 20% of people ride public transport without paying for it. We talk to 68 people who…

A: From the provided information, 20% of people ride public transport without paying for it that is…

Q: When someone buys a ticket for an airline​ flight, there is a 0.0989 probability that the person…

A: Given, The probability that the person will not show up for the flight is 0.0989 A certain jet can…

Q: A college is composed of (0.25) men and (0.75) women. It is known that (0.60) of men and (0.20) of…

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Q: A survey was conducted to see what percentage of American adults would say "Yes" to the question,…

A: given data P(say that they have been decapitated) = p = 0.15sample size n = 20P(atleast one say that…

Q: A naturalist whale watch trips every morning in March. The number of whales seen has a mean of 4.1.…

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Q: A medication states that the odds of having an allergic reaction are 1 in 50. What is that…

A: Given that, A medication states that the odds of having an allergic reaction are 1 in 50. Therefore,…

Q: Imagine a woman has a positive mammogram. What is the probability that she has breast cancer?

A: Here use Bayes rule and tree diagram  Define events as follows  C = women have breast cancer  T =…

Q: Migraine medication was administered to patients in that 2% experienced weight gain as a side…

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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: It is generally believed that nearsightedness affects about 12% of all children (p = 0.12).  A…

A: Consider that p is population proportion of kindergarteners, who will be nearsighted.

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: It is known that 33% of the calculators shipped from a particular factory are defective. What is the…

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Q: In a classroom survey, 18 out of 30 students reported that they have a car. What is the probability…

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Q: Consider the data in the table shown which represents the marital status of males and females 18…

A: The question is about probability.Given :

Q: At Denver international airport, 81% of recent flights have arrived on time. A sample of 12 flights…

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Q: A computer technician notes that 40% of computers fail because of the hard drive. If he repairs many…

A: random variable X number of trials at which first success occurs. X~geometric(p)  where…

Q: 40% of students said that orange is their favorite juice. As part of further analysis, a random…

A: Given,40% of students said that orange is their favorite juice.ie, P = 40% = 0.40Also given that,As…

Q: Transportation officials reported that 8.5 out of every 2000 airline passengers lost luggage during…

A: Solution: Given information : Let X be the random variable that airline passengers lost luggage…

Q: ccording to a survey by Accountemps, 48% of executives believe that employees are most productive on…

A:

Q: cars fail emissions inspection. ABSume that thế Pesu an emissions control center, 1375 a. What is…

A: The probability that first inspection failure will be observed at the 6th position.    Probability =…