Suppose that a fast food restaurant can expect two customers every 3 minutes, on average. What is the probability that four or fewer customers will enter the restaurant in a 9 minutes period? None of these 0.0620 0.2851

Q: A recent study found that 25% of all adult males did not visit their physicians' offices last year.…

A: Solution

Q: The Philippine Red Cross says that about 11% of PH population has Type B blood. A blood drive is…

A: Given:  The Philippine Red Cross says that about 11 % of PH population has Type B blood.  A blood…

Q: A college graduate believes he has 60% chance of getting a particular job. Historically, 75% of the…

A: In question, Given that a college graduate believes he has 60% chance of getting a particular job.…

Q: A particularly long traffic light on your morning commute is green 22% of the time that you approach…

A: The binomial distribution is frequently used to model the number of successes in a sample of size n…

Q: In a large population, 5% are infected with a certain disease. If you take a random sample of 30,…

A: Given,n=30p=0.05Let x=no.of people infected with certain diseasex~Binomial(n=300 , p=0.05)P(X=x)=Cx…

Q: Assume that 32.4​% of people have sleepwalked. Assume that in a random sample of 1517 ​adults, 530…

A: We have to find given probability...

Q: A.A safety engineer claims that only 40% of all workers wear safety helmets when they eat lunch at…

A:

Q: Sixty percent of a population of consumers is reputed to prefer a particular brand A, of vaccine. If…

A: Hai

Q: A certain early response pregnancy test claims to be able to detect the pregnancy hormone in 76% of…

A: Let p be the proportion of women saw a positive test result on their pregnancy test. Given that p =…

Q: About 24% of flights departing from New York's John F. Kennedy International Airport were delayed in…

A: The assumption of Binomial distribution is all the trials are independent. Here the trials are…

Q: Seventy-four percent of the light aircraft that disappear while in flight in a certain country are…

A: Basics:

Q: determine the probability that the telemarketer makes the second sale before the fifth call

A:

Q: A telephone exchange receives, on average, 5 calls per minute. Find the probability (i) that in a…

A: Given: On average 5 calls per minute, X ~ Poisson(λ = 5) Using Poisson distribution: P(X=x)=e-λ×λxx!

Q: The yacht engines fail with probability equal to 0.3. Assuming that a yacht makes a safe trip if at…

A:

Q: Suppose that warranty records for a car maker show that the probability that a new car needs a…

A:

Q: On average, 2 people migrateabroad every 50,000 people every year. In a particular year in a city of…

A:

Q: Seventy-five percent of the light aircraft that disappear while in flight in a certain country are…

A: Given   Seventy-five percent of the light aircrat 69% have an emergency locator  81% of the…

Q: Since the stock market began in 1872, stock prices have risen in about 72% of the years. Assuming…

A:

Q: Suppose that you and your friend go to a concert in Long Beach. You know that 1 in 200 of the people…

A: Given information: The random variable is Z = Number of people that you speak before you speak to a…

Q: Assume that the monthly worldwide average number of airplaine crashes of commercial airlines is 2.2…

A: Given average number of airplaine crashes of commercial airlines is 2.2

Q: The television show CSI: Shoboygan has been successful for many years. That show recently had a…

A:

Q: The NAR estimates that 23% of all homes purchased in 2004 were considered investment properties. If…

A:

Q: The probability that a randomly selected 3​-year-old male chipmunkchipmunk will live to be 4 years…

A: Let L be the event that a 3​-year-old male chipmunk will live to be 4 years​ old and Lc be the event…

Q: Assuming that 6 in 10 pedestrian accidents are due to persistent ignorance of traffic signals, find…

A: probability or sample proportion : The sample proportion p is the best point estimate of the…

Q: A study of attrition rates at a company showed that 43% of all incoming employees leave the company…

A: Given that,43% of all incoming employees leave the company within 4 years.p=0.43no.of  empoyees…

Q: v showed that 59% of Internet users are somewhat concerned about the confidentiality of their…

A: Note: Hey, since there are multiple subparts posted, we will answer first three subparts. If you…

Q: Seventy-seven percent of the light aircraft that disappear while in flight in a certain country are…

A: It is given that 77% of the light aircraft disappear while in flight in a certain country are…

Q: The manager of a restaurant claims that only 3% of the customers are dissatisfied with the service.…

A: Let X be the number of persons dissatisfied. The sample size is n=25. The proportion of customers…

Q: Assume that a study of 500 randomly selected airplane routes showed that 482 arrived on time. 7)…

A: It is given that, Sample size, n = 500 Significance level, α = 0.05 Since 482 airplane out of 500…

Q: ee percent of the light aircraft that disappear while in flight in a certain country are…

A: Define the following events:   A: a aircraft is discovered: B : a aircraft is not discovered   E: a…

Q: Suppose that 21% of men in the United States consider fishing their favorite leisure-time activity.…

A:

Q: When a man observed a sobriety checkpoint conducted by a police department, he saw 656 drivers were…

A:

Q: What is the probability that a randomly selected z-value will be greater than 2.23?

A: According to the provided information, we need to calculate P(Z>2.23)

Q: Assume that 39.1% of people have sleepwalked. Assume that in a random sample of 1541 adults, 611…

A:

Q: 8) The owner of a car wash shop noticed that on normal days there are 4 cars that enter the shop at…

A: The following information has been given: It is given that 4 cars enters a shop in one hour ( 60…

Q: A farmer has planted 11 new lemon trees of a special breed where the probability that the tree will…

A: Obtain the probability that less than 3 trees remain without fruits by the end of the upcoming…

Q: A machine that manufactures automobile parts produces defective parts 15% of the time. If 6 parts…

A:

Q: ssume that 33.2​% of people have sleepwalked. Assume that in a random sample of 1454 ​adults, 523…

A: Given: The population proportion of people who sleepwalked, P = 0.332            Sample size, n =…

Q: Assume that 30.1​% of people have sleepwalked. Assume that in a random sample of 1510 ​adults, 468…

A:

Q: The probability of an adult in Australia having hazel colored eyes is 20%. If a simp random sample…

A: Given information: The probability of an adult in Australia having hazel colored eye is 20%. The…

Q: Q1) 14% of the adults in a certain population are infected by a Corona Virus. Five adults are…

A:

Q: Seventy-seven percent of the light aircraft that disappear while in flight in a certain country are…

A: Given problem Given that   Seventy-seven percent of the light aircraft that disappear while in…

Q: Assume that 35​% of people have sleepwalked. Assume that in a random sample of 1515 ​adults, 537…

A:

Q: 7 percent of all cooling fans produced in a factory are defective. A quality inspector randomly…

A: Let p be the probability that a fan is defective. Given that p = 7% = 0.07 Let X denote number of…

Q: A commercial for specific brand of washing machine claims that only 7.5% of all its washing machines…

A:

Q: Assume that 38.2​% of people have sleepwalked. Assume that in a random sample of 1540 adults, 629…

A:

Q: The IRS indicates that 90% of all tax returns are filed electronically. Assume that figure is…

A: Let p be the proportion of all tax returns are filed electronically. Given that p = 0.9 Sample size…

Q: Assume that 26.6% of people have sleepwalked. Assume that in a random sample of 1517 ​adults, 418…

A: It is given that p is 0.266 and n is 1,517.

Q: Approximately 80% of students do their homework in time. Each student does homework independently.…

A: