The average time it takes a mechanic to change the oil in a car is 14 minutes. What is probability that changing the oil for one car takes at least 20 minutes?

Q: Joe rolls a 6-die and Magdalena rolls an 8-die. What is the probability that Joe rolls a larger…

A: Given information: Joe rolls a 6-faced die. The possible numbers that are rolled by Joe are 1, 2, 3,…

Q: the average accident on a certain road section is at 2.4 per day. what is the probability that there…

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Q: probability that the project would be completed within 25 weeks

A: we Have provided information for project. Optimistic time =a Most likely time =m Pessimistic time=b

Q: The average number of homes sold by the Acme Realty company is 2 homes per day. What is the…

A: Given Information Average number of homes sold by the Acme Realty is 2 homes λ = 2 Let X denotes the…

Q: What is the probability that when a coin is tossed 5 times it lands 3 times heads?

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Q: On average, 24 cars pass through a toll booth every hour. What is the probability of at least one…

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Q: A coin is tossed 5 times. What is the probability that a) at most 2 heads will occur? b) At least 2…

A: Given,A coin is tossed 5 times so,sample size (n)=5P=P(getting a head )=12=0.5X=no.of heads will…

Q: If the probability that a vaccine you took will protect you from getting the flu is 0.86, what is…

A: The sum of probabilities of different cases of a scenario is always 1. Here after taking the…

Q: On new years eve, the probability of a person driving while intoxicated is 32% the probability of a…

A: The probability of a person driving while intoxicated P(A)=0.32 The probability of a person having a…

Q: The weather forecast shows a 40% chance of rain each day for the next seven days. What is the…

A: Given that  n=7 , p=40%=0.40 , q=1-p=1-0.40=0.60 X~Binomial(n=7,p=0.40)

Q: In a communication channel, data is sent in 10-bit packets. The percentage of a bit sent with error…

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Q: A coin is flipped 5 times. What is the probability that both heads and tails occur?

A: Assuming the coin flipped is an unbiased coin, P1 Head=P1 Tail=0.5

Q: A coin is tossed 3 times. What is the probability of getting 3 tails up?

A: Given : Experiment : Tossing coin 3 times

Q: The wait time for your local pizzeria to deliver food is normally distributed with µ = 45 minutes…

A: Given data,  µ = 45 minutes σ = 6.5. P(X>48)=?

Q: A baseball player has a batting average of 0.4. What is the probability that he has exactly 1 hits…

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

Q: A marksman hits a target 30% of the time. He fires five shots at the target. What is the probability…

A: Given that the probability of hitting a target is= 30%=0.30 Let, X=the number of hits that reach the…

Q: A probability based on equally likely outcomes is called a __________ probability.

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Q: A single coin is tossed. What is the probability of tossing a head?

A: When a single coin is tossed then the possible outcomes are head and tail So total 2 outcomes And…

Q: A dice is rolled 3 times. What is the probability of showing a 4 on every roll?

A: Solution: Suppose a dice is rolled 3 times. Then, the total number of possible outcomes is…

Q: A secretary makes 2 errors per page, on average. What is the probability that on the next page she…

A: Given: Average number of errors per page is  λ=2

Q: If the probability that a vaccine you took will protect you from getting the flu is 0.922 , what is…

A: The sum of probabilities of different cases of a scenario is always 1.Here after taking the vaccine,…

Q: What is the probability that 5 particles enter the counter in any given millisecond?

A: Let X denote the number of particles passing through a counter in 1 millisecond.

Q: What important skills must develop in getting the probability?

A: The probability associated with an event is defined as the chance of occurrence of that event.

Q: Suppose a baseball player's batting average is .325. What is the probability that in the next 100…

A: Given : Suppose a baseball player's batting average is .325. What is the probability that in the…

Q: An automatic car washing machine can wash 8 cars per hour. If the customers arrive to wash their…

A: Given: μ=8 car per hour customers come to wash their cars every 10 minutes

Q: A baseball player has a batting average of 0.225. What is the probability that he has exactly 3 hits…

A: Given: Probability of hitting the ball, P(h)=0.225. The objective is to find the probability of 3…

Q: You toss twice coins. What is the probability that both land Tails up?

A: Given, Possible outomes => [h,h] [h,h] [t,t] [t,h]Favourable outcomes =[t,t] = 1number of…

Q: If you toss 6 coins, what is the probability of all 6 coins matching?

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Q: On an average, there are 2 visits to a supershop per minute. What is the probability that the…

A: Givenon average 2 visits to a supershop per…

Q: On average there are 3 typing errors per page of text. What is the probability that on any given…

A: The Poisson distribution: A discrete random variable X is said to have a Poisson distribution with…

Q: If a successful student is noticed what is the probability that he was a student of Arts, Science or…

A: here define events Arts  = A Science = S Commerce  = C passed in examination = E   p(A ) = 0.40…

Q: Two dice, one white and one black, are thrown together. Calculate the probability that the score on…

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Q: The average number of emergency calls that an ambulance service gets per day is 5. What is the…

A: The average number of emergency calls that an ambulance service gets per day is 5. What is the…

Q: In a factory, there were 36 accidents involving machinery in the last six months. (a) Calculate…

A: Let X be the random variable of number of accidents involving machinery in the six months X~ Poi(36)…

Q: If Paul hit 4 home runs out of 16 pitches at batting practice what is the experimental probability…

A: The experimental probability associated with an experiment is defined as the chance of occurrence of…

Q: Apple produces about 300 iPads every hour at their factory in Silicon Valley. On average, about 2.5…

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Q: A coin is tossed 5 times. What is the probability that (a) at most 2 heads will occur? (b) at least…

A: Givena coin is tossed 5 times Total no.of possible outomes =25=32sample size(n)=32probability of…

Q: A store sells on average 1.4 cars per day. What is the probability that it will sell at least 2 cars…

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Q: A pair of dice is rolled. What is the probability of getting a sum of 10?

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Q: Estimate the probability that a randomly selected household from this area will be a student. Which…

A: According to the classical definition of probability, the probability of an event is defined by the…

Q: the probability of rolling a "4" exactly 25 times?

A: rolling a fair die 100 times,  And here  Each roll independent from each other  Finite number of…

Q: A pair of dice is rolled. What is the probability of getting doubles?

A: Answer: 16. The probability of getting doubles is 16.

Q: A fair die is thrown 25 times. What is the probability of getting at least 8 “fives?”

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Q: What is the probability that a student is in 11th grade and plays football?

A: we have to find probability..

Q: A dice is rolled 2 times. What is the probability Of showing a 6 on every roll?

A: When a die is rolled there are 6 possible outcomes that are 1,2,3,4,5,6. Similarly a dice is rolled…

Q: A fair die is rolled 6 times. What is the probability it comes up 4 at least once?

A: Given  n = 6  Die is fair

Q: A college basketball player makes 80% of his free throws. Over the course of the season, he will…

A:

Q: Suppose Emerson loses 44% of all air hockey games. (a) What is the probability that Emerson loses…

A: (a) The probability that Emerson loses two air hockey games in a row is 0.1936, which is obtained…

Q: A little boy loses his shoe once in every three trips to the backyard. What is the probability that…

A: Obtain the probability that he will lose his shoe at least once in the next six trips. The…