I roll a die 18 times. What is the probability that each number appears exactly 3 times?

Q: The average time it takes a mechanic to change the oil in a car is 14 minutes. What is probability…

A: Here, μ=14 minutes.

Q: calculate the probability that at least one valve opens.

A: Let p be the probability that any particular valve will open on demand. Given that p = 0.83 Let X…

Q: An office receives 20 faxed orders every two hours. What is the probability that it will receive 8…

A: Given: Number of order every two hours = 20 So, number of orders every hour = 202=10 Let X be the…

Q: Find the probability that there is at least two re-transmission. 040

A: x p(x) 0 0.4 1 0.3 2 0.25 3 0.05

Q: A basketball player has an 80% chance of making each free throw. What is the exact probability that…

A: If you like the solution then please give it a thumbs up.. The Answer is:               Result =…

Q: A die is rolled 3 times. What is the probability of showing a(n) 5 on every roll?

A: We have given that a die is rolled 3 times. We have to find the probability of showing 5 on every…

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

A: Let X denotes number times player hit ball.  It is given that player's batting average is 0.325.…

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

A:

Q: A basketball player with a history of making 80% of the foul shots taken during games. What is…

A: Given that n =7 , p= 0.80 Find P ( X =5 ) =?

Q: Peyton rolls a standard die 15 times. What is the probability he rolls a two exactly four times?…

A: Given: Peyton rolls a standard die 15 times Find out the probability he rolls a two exactly four…

Q: The average number of diesel tankers arriving each day at a certain port city is known to be 5. What…

A:

Q: A virologist vaccinates a few mice one at a time with a virus until he finds 3 that have contracted…

A: Negative Binomial Distribution: If we have a sequence of trials each having two outcomes, say…

Q: Two dice are rolled simultaneously, find the probability that the sum is equal to 7

A:

Q: A certain type of ochro seed germinates 75% of the time. A backyard farmer planted 6 seeds. What is…

A: Givenn=6p=0.75x~Binomial(n=6,p=0.75)P(X=x)=Cxn px (1-p)n-x  ; x=0,1,2...,n

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: A football player scores 2 goals out of every 3 penalty kicks. If we ask him to take 4 penalty…

A:

Q: A baseball player has an 80% chance of making each free throw. What is the probability that the…

A: Let X=the number of throws that the player make n=number of trials=6 p=probability of…

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 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: The average number of phone inquiries each week at a poison control center is 80. Find the…

A: Given that in 1 week means in 7 days the center receives 80 calls.  So in 1 day, it receives 807…

Q: A baseball player has a batting average of 0.215 What is the probability that he has exactly 3 hits…

A:

Q: The record of weather station shows that out of the past 300 consecutive days, its weather forecasts…

A:

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: An office receives 20 faxed orders every two hours. What is the probability that an order will be…

A: The office receives 20 fax orders every two hours, therefore: The average number of fax every minute…

Q: If you roll a die twice, what is the probability that you get two sixes in a row?

A: Obtain the probability that you get two sixes in a row. The probability that you get two sixes in a…

Q: A single die is tossed six times. Find the probability that a two appears exactly 3 times.

A: Here to find the probability of getting 2 exactly 3 times we will use binomial distribution to solve…

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: 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: On the average, two tornadoes hit major U.S. metropolitan areas every year. What is the probability…

A: 8. Given that the average number of tornadoes hit major U.S metropolitan areas every year is 2. Let…

Q: According to insurance records a car with a certain protection system will be recovered 87% of the…

A: It is given that n = 10 and p = 0.87.

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: An experienced invoice clerk makes an error once in every 100 invoices, on average. (a) What is the…

A: (a). Calculate the probability of finding a batch of 100 invoices without error: Here, it is given…

Q: you roll a die 150 times what is the probability you roll a 6 exactly 30 times

A:

Q: You roll a die five times. What is the probability that you will see a string of three or more…

A: Given data: *The die is rolled 5 times, n=5. The probability of getting one (success) when a one die…

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

A:

Q: A six-sided die is rolled twelve times. What is the probability that the die will show an even…

A: Let p be the probability of getting an even number. Then p = 3/6 = 0.5 Let X denote the number of…

Q: A baseball player has a batting average of 0.37. What is the probability that he has exactly 1 hits…

A: Binomial distribution : A discrete random variable x is said to be binomial distribution with the…

Q: A basketball player makes an average of 2 free throws out of every three attempts. If the player…

A: Out of total 3 throws, 2 are made by the player. So the probability of making a throw will be ratio…

Q: The average number of people waiting in the line at a bank muscat ATM is one person every 30…

A: Given that there is 1 person on an average every 30 minutes. So there will be 2 persons on an…

Q: A quarterback completed 60 percent of his passes one season. Assuming he is as good a quarterback…

A: According our policy we can answer only first question for remaining please repost the question.

Q: A baseball player has a batting average of 0.33. What is the probability that he has exactly 4 hits…

A:

Q: A baseball player has a lifetime batting average of 0.213. If, in a season, this player has 365 "at…

A:

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 baseball player has a 60% chance of making each free throw. What is the probability that the…

A: Given: A baseball player has a 60% chance of making each free throw. Objective is to find the…

Q: Joe tosses a fair three-sided die 9 times. What is the probability he rolls all threes? If…

A:

Q: Find the probability that a driver with at least one collision in the past year is a middle aged…

A:

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

A:

Q: A basketball player has a 70% chance of making each free throw. What is the probability that the…

A: We have to find given probability.

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…