Find the probability that less than 12 vacationed out-of-state last year.

Q: Of the drivers who stop at a gas station, 91% purchase gasoline, and 5% purchase both gasoline and…

A: Given : Of the drivers stopping at a gas station, 91% purchase gasoline, 5% purchase both gasoline…

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

A: The probability density function of binomial distribution is: Here, p=0.15, n=10.

Q: In a recent survey, 18 people preferred milk, 29 people preferred coffee, and 13 people preferred…

A: Probability of an event is computed by taking the ratio of number of favourable outcomes to total…

Q: Nine percent of the population has blood type B. If we choose 18 people at random, what is the…

A: Given,n=18p=0.09q=1-0.09=0.91Let X= no.of people have blood type B in a sample of 18…

Q: In a large population, 54 % of the people have been vaccinated. If 5 people are randomly selected,…

A: Given data: 54% of the people have been vaccinated.

Q: The probability that an adult possesses a credit card is .35. A researcher selects three adults at…

A: Givenp=0.35n=3x~Binomial(n=3,p=0.35)P(X=x)=Cxnpx(1-p)n-x    ; x=0,1....n

Q: Airlines report that 45% of its flights are on time.  In a random sample of 80 flights, what is the…

A: Given, Let A be the event of success that Airlines report of its flights are on time Random sample…

Q: Sixty percent of the tourists in London go to Buckingham Palace and forty percent visit Kensington…

A: Solution: Let A be the  event that tourists in London go to Buckingham Place. and B be the event…

Q: According to the U.S. Coast Guard, sixty-five percent of boating accidents occur in light wind…

A: From the provided information, Sample size (n) = 20 Sixty five percent of boating accidents occur in…

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

A:

Q: In a Toyota factory, 137 out of 129,000 cars have faulty brakes. If 50 cars checked at random, what…

A:

Q: In a large population, 59 % of the people have been vaccinated. If 3 people are randomly selected,…

A: Binomial distribution:It is a discrete probability distribution that has exactly two outcomes for…

Q: Eight percent of Americans have a master’s degree. If five Americans are selected at random, what is…

A:

Q: Eight percent of Americans have a master’s degree. If five Americans are selected at random, what is…

A: Let X represent random variable   n=5 p=0.08   X~ binomial (5, 0.08)

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: Sixty percent of the tourists in London go to Buckingham Palace and forty percent visit Kensington…

A: Given Information: Sixty percent of the tourists in London go to Buckingham Palace i.e., P(BP) = 60%…

Q: The probability that Sam parks in a no-parking zone is 6%, and the probability that Sam cannot find…

A: The probability that Sam parks in a no-parking zone = 0.06 The probability that Sam cannot find a…

Q: What is the probability he will score for the first time on his fifth shot? What is the probability…

A: Given Data Probability of success,p = 0.18 )

Q: Twenty-six percent of couples who plan to marry this year are planning destination weddings. In a…

A: Givenp=0.26n=12Let "x" be the couple having destination…

Q: Approximately 20% of the US population smokes cigarettes. A local government believed their…

A: Given data: The given percentage of the US population who smoke cigarettes are p=20%=0.20. The…

Q: In the United States, 75 percent of adults wear glasses or contact lenses. A random sample of 10…

A: A random variable X, is said to follow binomial distribution if the probability mass function of X…

Q: Find the probability that a randomly selected student was male given that the student earned a

A:

Q: From experience, an airline knows that only 70% of the passengers booked for a certain flight…

A:

Q: what is the probability all three would be smokers?

A: Let , X be the number of smokers Here , X→B(n=3 , p=0.20) The probability mass function of X is ,…

Q: The probability that a medical student owns a laptop is 0.47, owns a MP4 is 0.45, and owns either a…

A: Given The probability that a medical student owns a laptop is 0.47 The probability that a medical…

Q: The Wilson family had 7 children assuming that the probability of a child being a girl is 0.5, find…

A: Let "X" be the girl child in Wilson family

Q: The probability that he picks 6 strawberry flavoured one is

A: Given,  One fifth of the candidature is strawberry flavor. Tome picks 10 candies.

Q: The director of a film festival received 7 submissions, 5 of which were romantic comedies. If the…

A:

Q: In a recent survey, it was found that the median income of families in country A was $57,700. What…

A: Median: Median is the middle value of the observations in the distribution when the data values are…

Q: According to American Airlines, its flight 215 from Orlando to Los Angeles is on time 90% of the…

A: It is given that the 90% of the flights from Orlando to Los Angeles are arrived on time. The 15…

Q: The probability that a house in an urban area will develop a leak is 6​%. If 13 houses are…

A: Given : The probability that a house in an urban area will develop a leak is 6​%. 13 houses are…

Q: A bag of Skittle’s contains 14 red, 16 yellow, 8 green, and 12 orange Skittle’s. What is the…

A: Total skittle's in bag: 50 Let D be the chance that randomly selected candy is orange:…

Q: The probability that an adult possesses a credit card is .65. A researcher selects three adults at…

A:

Q: Fifty-three percent of all persons in the U.S. population have at least some college education.…

A: Given : Fifty-three percent of all persons in the U.S. population have at least some college…

Q: A high school choir has 42 members, of which 21 are tenors. What is the probability that a randomly…

A: We have given that,  Total number of members = 42 Total number of tenors = 21 Then,

Q: The probability that four randomly selected high school drivers all drove when drinking alcohol is

A: Given: Drove when drinking alcohol Yes No Total Texted while driving 737 3027 3764 No Texting…

Q: In the winter, guests who visit Yosemite National Park like to stay at an overnight lodge in the…

A: From the provided information, Guests who visit Yosemite National Park like to stay at an overnight…

Q: Fifty-three percent of U.S. households have a personal computer. In a Random sample of 250…

A: It is an important part of statistics. It is widely used.

Q: Airlines report that 45% of its flights are on time.  In a random sample of 80 flights, what is the…

A: A random variable X is said to follow a binomial distribution with parameters 'n' and 'p' ( where n…

Q: A basketball player has a 0.52 probability of making a three-point shot. What is the probability…

A: Geometric distribution : A geometric random variable defined as number of trials until the first…

Q: Sixty-five percent of men consider themselves knowledgeable football fans. If 10 men are randomly​…

A:

Q: A convenience store estimated that 22% of its customers come in to buy milk. What is the probability…

A:

Q: The probability that a homeowner owns a Blu-ray player is 0.50. The probability that a homeowner…

A:

Q: The US population is 13% African American.  If you were to take a SRS of 500 Americans, what is the…

A: It is given that the sample size n is 500 and p hat = 0.13.

Q: Alfonso and Cordell each bought one raffle ticket at the state fair. If 50 tickets were randomly…

A: Alfonso can pick a ticket from 50 tickets in 50 ways.  When Alfonso picks a ticket then Cordell can…

Q: at a highschool with 200 students 32 play soccer 18 play basket ball and 8 play both sports. if a…

A: Let,A=students play soccerB=students play bascket ballP(A)=32200 =0.16P(B)=18200 =0.09P(A∩B)=8200…

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

A: Let p be the proportion of households have a personal computer. Given that p = 0.63 Let X denote the…

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

A: It is given that n = 10 and p = 0.15.