Each night in a family of four siblings, the parents randomly assign the order for the siblings to take their baths. What is the probability that the youngest will go last?

Q: You ask a friend to think of a number from four to thirteen. What is the probability that his number…

A:

Q: The probability that a lab passes a health and safety inspection is 97%.  A health and safety…

A: Let X: number of labs.X has binomial distribution because trials are finite, trials are independent…

Q: A committee of four people will be selected among a group of 15 engineers. The committee will have…

A: 15-engineers4 positions : President                       Secretary                       Treasurer…

Q: The enrollment in Spring 2021 is 1400. If 550 students enrolled for Computing courses, 700 took…

A: We have to find given probability.

Q: In a large population, 61 % of the people have been vaccinated. If 4 people are randomly selected,…

A: The question is about discrete probability distribution Given : Popl. prop. of people have been…

Q: In a system with a single server, the probability that the server busy is 90%. What is the…

A: Given : P(server busy ) = 0.90 P(server not busy) = 1 - 0.90                              = 0.10

Q: aster randomly selects four singers from the choir to be interviewed by a newspaper. Find the…

A: Given: Number of boys=9Number of girls=15Total number of singers=15+9=24 The given probability can…

Q: In a large population, 59% of the people have been vaccinated. If 5 people are randomly selected,…

A:

Q: In a large population, 61 % of the people have been vaccinated. If 3 people are randomly selected,…

A: p(vaccinated) = p = 0.61 ∴ p(not vaccinated) = 1 - 0.61 = 0.39 select 3 people at random p(atleast…

Q: In a population where 25% of voters prefer Candidate A, an organization conducts a poll of 1616…

A: P(prefer candidate A) = 0.25 n = 16 voters P(0 of 16 will prefer candidate A) = ?

Q: Find the probability that hiking and bike ride are chosen consecutively, in either order.

A: We have 6 activities :  1. shopping 2. picnic 3. hiking 4. swimming 5. bike ride 6. movie We need to…

Q: Emerson wins 28% of all chess games. What is the probability he wins two in a row?

A: Assuming the two games are independent, P( He wins two in a row)= P( He wins the first game)*P(He…

Q: In a large population, 53 % of the people have been vaccinated. If 4 people are randomly selected,…

A: Given information- Given problem is of binomial distribution. Probability of success, p = 0.53 No.…

Q: In a large population, 52 % of the people have been vaccinated. If 5 people are randomly selected,…

A: Let p be the proportion of vaccinated people. Given that p = 0.52 Let X denotes the number of…

Q: basketball player makes foul shots 75 % of the time. If she takes 9 shots, what is the probability…

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Q: A physics class has 50 students. Of​ these, 16 students are physics majors and 12 students are…

A:

Q: United States, 40% of the population has brown eyes.  If 14 p

A: Here it is given that- Sample proportion (p) = 40100=0.4 Total number of observations (n) = 14 As n…

Q: Six free tickets to a Manchester United match at Old Trafford will be shared by drawing lots among…

A: Given that: Number of tickets = 6 Number of boys = 10 Number of girls = 8 Each student can win at…

Q: A game show has 5 doors concealing prizes. There are new cars behind 2 doors and consolation prizes…

A:

Q: Danny selects a glass bottle from the shelf randomly without looking and then tosses the fair coin.…

A: The selection of glass bottles and tossing coins are two independent events.  So, we have to find…

Q: In a large population, 51 % of the people have been vaccinated. If 4 people are randomly selected,…

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Q: c. Find the probability that a patient randomly selected from the study had cancer OR was on the…

A: (c )   Obtain the probability that a patient randomly selected from the study had cancer OR was on…

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

A: n=3,p=59%=0.59X~Binomial(n=3,p=0.59)Let X be the number of person have been vaccinated.p be the…

Q: Jenny sells ‘honey tea’ to raise fund for homeless people. The probability of making a sale is,…

A: Given, Jenny sells ‘honey tea’ to raise fund for homeless people. The probability of making a sale…

Q: On a shelf at a gaming store, there are five Sony Playstations and nine Nintendo Wii consoles left.…

A: We have given that On a shelf at a gaming store  Number of Sony Playstations = 5 Number of Nintendo…

Q: A basketball player has a free throw percentage of 95%95%. What is the probability she misses at…

A: Binomial distribution:The binomial distribution gives the probability of number of successes out of…

Q: In a very large industrial company, the average number of fatal accidents per month is 0.3. Find the…

A:

Q: A high school baseball player has a 0.246 batting average. In one game, he gets 8 at bats. What is…

A: Given information- We have given a problem of the binomial distribution. Batting average of a…

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: Eric teaches ceramics in his studio. He estimates that one 20% people who call for information about…

A: Here we need to find the required probability using the binomial distribution.

Q: Andrew organised a technology career fair at his college. He did an excellent job recruiting 8 guest…

A:

Q: Given a standard deck of fifty-two playing cards (no jokers and Aces high), find the probability of…

A: Total face card in a deck of fifty-two playing cards = 12