Complete the tree diagram and calculate the probability that he is late on any given day. If he arrives at school on time, what is the chance that it was raining when he left his flat?

Q: If the mean number of serious accidents per year in a large factory is 4, find the probability that…

A: Obtain the probability that in the current year there will exactly 4 accidents. The probability that…

Q: The probability that Mr. Johnson goes for an evening walk on any given day during the summer is…

A: The probability that Mr. Johnson goes for an evening walk on any given day during the summer is…

Q: Assume that the probability of a boy being born is the same as the probability of a girl being born.…

A: given data  P(boy)=P(girl) = 0.5 n = 5 childrens  P( atleast one boy) = ?

Q: A company that advertises on the radio in a certain area receives on average 11 calls everytime it…

A: Formula : poisson distribution is given by

Q: Suppose the passing grade for a certain true-false quiz, with 10 questions is 80% with each question…

A:

Q: There are 18 students, from which 9 people will be selected to be on a panel. If Allen and Joe are 2…

A:

Q: A math professor finds that when she schedules an office hour for student help, an average of 2.3…

A: Step 1:The probability mass function of the poisson distribution is given by…

Q: The probability that a student in Oakland will receive a B in Kathy Williamson's statistics class is…

A: Given that, The probability that a student in Oakland will receive a B in Kathy Williamson's…

Q: There are 20 students, from which 6 people will be selected to be on a panel. If Allen and Joe are 2…

A: Given information- We have given that out of 20 students, from which 6 people will be selected to be…

Q: A pharmacist receives a shipment of 2121 bottles of a drug and has 44 of the bottles tested. If 66…

A: From the provided information, A pharmacist receives a shipment of 21 bottles of a drug and has 4 of…

Q: The probability that a student owns a car is 0.7. The probability that a student owns a computer is…

A: Given: Probability of student owns a car, P(A)=0.7 Probability of student owns a computer, P(B)=0.67…

Q: The probability that you wear Vans to school is 0.65.  If you wear your Vans, you have a 25% chance…

A: Let us denote:  V=the event of wearing vans S=the event of wearing socks Given that P(V)= 0.65, So,…

Q: yellow Labrador retrievers. If 8 puppies are selected at​ random, determine the probability they are…

A: Given Total number of puppies=20

Q: find the probability that the educator is a female or an associate professor

A: We have given that an educators at a college were classified according to gender and academic rank.

Q: fish that are above the legal limit and 3 that are not. What is the probability that he'll catch 3…

A:

Q: Suppose that 40% of people own dogs. If you pick two people at random, what is the probability that…

A: Given that 40% of people own dogs.Let X be the number of people own dogs following binomial…

Q: If half of the 100 passengers are​ men, find the probability that the mean height of the 50 men is…

A: The mean is 69 and standard deviation is 2.8.

Q: Poppy and her teammates are each chewing a piece of tropical flavoured gum before their championship…

A:

Q: If the probability that a randomly chosen college student takes statistics is 0.34, then what is the…

A: The probability that a randomly chosen college student takes statistics is 0.34. The probability…

Q: If the probability that you get a grade of "A" in this class is 90%, find the probability that you…

A: Given information Probability that you get a grade of "A" in this class p = 0.90

Q: A woman plans to have two children. The probability that each child is a boy is 0.525, and the birth…

A: Given,P(a baby boy)=0.525P(a baby girl)=1-0.525=0.475

Q: A newspaper report states that the probability of snow is .3. After calling the airport you are told…

A: As given, the probability of snow is 0.3, That is, P(snow) = 0.3 Therefore , P( not snow) = 1- P(…

Q: A machine has 28 identical components which function independently. The probability that a component…

A: From the provided information, Sample size (n) = 28 The probability that a component will fail is…

Q: The probability that a high school student get less than 5 hours of sleep on average is 35.2%. The…

A:

Q: If the probability of being hospitalized during a year is 0.25. Find the probability that no one is…

A: X has binomial distribution. X~binomial(n,p)n=3p=0.25probability mass function of X;…

Q: Ninety percent of the graduates of State University who apply to a particular medical school are…

A: The objective of this question is to find the probability that only four out of six applicants from…

Q: A baseball player has a batting average of 0.31. What is the probability that he has exactly 4 hits…

A:

Q: A recent survey showed that 17% of community college students experienced at least some homelessness…

A:

Q: The probability of a student at a university eating breakfast on campus is 0.2413. If one afternoon…

A: Obtain the probability that at least 2 of them had eaten their breakfast in college.   The…

Q: Neither Andrew nor David likes to set the table for dinner. They toss a coin to decide who will set…

A: Here we want to find the probability that David will set the table 3 days in a row.

Q: A large bus company experience bus breakdowns at the rate of 2.5 per day. Find the probability that…

A: Given :  A large bus company experience bus breakdowns at the rate of 2.5 per day Let "p" be the…