A barber shop on a peak hour has an average of 8 customers on a regular day. Suppose that the shop can only handle at most 12 customers per hour, what is the probability that on a given day during the peak hour, a customer or a number of customers has to wait for couple of moment before enjoying the service of the shop?

Q: Suppose a jar contains 8 red marbles and 22 blue marbles. If you reach in the jar and pull out 2…

A: Given that,Number of red marbles = 8Number of blue marbles = 22Total marbles = 30

Q: Suppose a jar contains 15 red marbles and 19 blue marbles. If you reach in the jar and pull out 2…

A: Number of red marbles = 15 Number of blue marbles = 19 Total number of marbles = 34

Q: A coffee shop receives on average of 5 orders for every 30 minutes. What is the probability that…

A: A coffee shop receives on average of 5 orders for every 30 minutes. What isthe probability that they…

Q: On the average, an intersection in Espana results in 3 traffic accidents per month. What is the…

A: Given that on an average, 3 accidents occur per month, so the parameter, λ=3 Let X be a random…

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: A traffic study has shown that the probability that 5 cars will pass over a small bridge in a…

A:

Q: An airline company knows by experience that on average 5 % of passenger who have reserved a seat…

A: We can solve this problem by using binomial distribution.  Given 5% of people not arrive in the…

Q: Suppose a jar contains 18 red marbles and 21 blue marbles. If you reach in the jar and pull out 2…

A: Given,no.of red marbles=18no.of blue marbles=21Total no.of marbles=39

Q: Suppose a jar contains 6 red marbles and 30 blue marbles. If you reach in the jar and pull out 2…

A:

Q: If two dice are thrown, what is he probability that the number on the first die is less than the…

A:

Q: Suppose a batsman can hit the ball 50% of the time. If the batsman is given 3 attempts at hitting…

A:

Q: Suppose a jar contains 16 red marbles and 16 blue marbles. If you reach in the jar and pull out 2…

A: Given information : Number of red marbles = 16. Number of blue marbles = 16. Total number of marbles…

Q: A hospital switch board receives an average of 4 emergency calls in a  10 minute interval. What is…

A: Given: λ=4

Q: A die is rolled 4 times. What is the probability that «3» appears 2 times given that «3» appeared at…

A:

Q: A zoologist has determined that Loggerhead Sea Turtle eggs hatch about 65.2% of the time. What is…

A:

Q: The average number of oil tankers arriving each day at a Persian Gulf port is known to be 7.The…

A: Given: The average number of oil tankers arrive =7.   Let X~P(λ)λ=7

Q: A hospital switch board receives an average of 5 emergency calls in 10 minutes interval. What is…

A:

Q: what is the probability that a total of 25 minutes will have passed before the next bag is ready?

A: Here given In a production line, on average 4 bags are produced an hour.  So λ = 4 bags per hour…

Q: Suppose a jar contains 15 red marbles and 21 blue marbles. If you reach in the jar and pull out 2…

A: From the information, there are 15 red marbles and 21 blue marbles. Two marbles at random at the…

Q: A recent survey conducted nationwide found that 72% of people in the United States prefer cheese on…

A: As per our guidelines we are supposed to answer only one question (if there are multiple questions…

Q: A recent study shows that over 1 year, the average number of major fires in a small Oregon city is…

A: Given,the average no.of fires oregon city is(λ)=6so , average no.of fires per 2 months isλ=212×6λ=1…

Q: Suppose a jar contains 19 red marbles and 38 blue marbles. If you reach in the jar and pull out 2…

A: Given that a jar contains 19 red marbles and 38 blue marbles.  Total marbles = 57 marbles

Q: According to a survey, the probability that a family owns 2 cars if its annual income greater than…

A:

Q: Suppose a jar contains 6 red marbles and 26 blue marbles. If you reach in the jar and pull out 2…

A: GivenA jar contains No.of red marbles = 6No.of blue marbles = 26Total no.of marbles = 32

Q: An airline estimates that 6% of people booked on their flights do not show up. If the airline books…

A: Let X be the random variable from binomial distribution with probability of will not show up (q)= 6%…

Q: Suppose a jar contains 8 red marbles and 10 blue marbles. If you reach in the jar and pull out 2…

A: A jar contains 8 red marbles and 10 blue marbles, Total number of marbles in the jar= 8+10=18

Q: Suppose a die has been loaded so that the [ ]face lands uppermost 3 times as often as any other face…

A: Given problem is : Suppose a die has been loaded so that the [ ]face lands uppermost 3 times as…

Q: It is known that an average of 5 trains pass through Grand Central Terminal every 30 minutes. Find…

A: If an average 5 trains pass through Grand Central Terminal every 30 minutes then an average 5×2=10…

Q: Find the probability that in a given year, there will be less than 3 accidents

A: Let X denote the number of accidents per year. It is given that Number of accidents per month = 4,…

Q: A die is rolled 10 times. What is the probability of getting “a 6 “exactly 5 times?

A:

Q: It is known that the probability that a certain company experiences a network failure in a given…

A: Given: Probability of a network failure (p) = 0.03. Let X be the number of weeks for the first…

Q: Suppose a jar contains 19 red marbles and 37 blue marbles. If you reach in the jar and pull out 2…

A: According to the combination rule, if r distinct items are to be chosen from n items without…

Q: Suppose a jar contains 8 red marbles and 37 blue marbles. If you reach in the jar and pull out 2…

A: From the provided information, Red marbles in a jar = 8 Blue marbles in jar = 37 Total marbles = 8 +…

Q: It is known that an average of 5 trains pass through Grand Central Terminal every 30 minutes. Find…

A: Consider the random variable X that reprsent number of trains that will pass through Grand Central…

Q: Suppose a jar contains 5 red marbles and 20 blue marbles. If you reach in the jar and pull out 2…

A: Introduction: According to the permutation rule, if r distinct items are to be chosen from n items…

Q: According to the maintenance department of a university, an average of 6 mechanical failures per day…

A:

Q: A retailer sells two brands of batteries that experience indicates are equal in demand.  If he…

A:

Q: At an investment bank, 75% of the clients have at least $1 million dollars in their account.…

A: The conditional probability is the probability measure of an event happening while event is already…

Q: On average there are 3 leaks for every 100 miles of a pipeline. What is the probability that a…

A: Givenon average there are 3 leaks for every 100 miles of a pipelineλ=32=1.5  leaks per 50-mile…

Q: If a seed is planted, it has a 75% chance of growing into a healthy plant. If 9 seeds are planted…

A: Solution: Let X be the number of seeds don’t grow and n be the sample number of seeds. From the…

Q: Suppose a jar contains 17 red marbles and 34 blue marbles. If you reach in the jar and pull out 2…

A: There are total (17+34)=51 marbles. We can pick any 2 marbles from 51 marbles in 51C2=1275 ways.…

Q: The secretary of XYZ law office found out that they are receiving an average of 5 calls from clients…

A:

Q: One prominent physician claims that 65% of persons with lung cancer are smokers. If the claim is…

A: A random variable is called binomial random variable if it satisfies the following conditions.…

Q: Suppose a jar contains 8 red marbles and 31 blue marbles. If you reach in the jar and pull out 2…

A: Explanation of the answer is as follows

Q: A printer has seven book-binding machines. For each machine, the table to the right gives the…

A: The Given table is as follows,

Q: Suppose a jar contains 11 red marbles and 10 blue marbles. If you reach in the jar and pull out 2…

A: Given that the jar contains marbles of color; 11 red 10 blue Hence we have 11 + 10 = 21 marbles in…

Q: An archer is able to hit the bull's-eye 57% of the time. If she shoots 6 arrows, what is the…

A: Given that ,                  n=6                  p=0.57                  q=1-0.57=0.43Let X be…

Q: Suppose a jar contains 19 red marbles and 11 blue marbles. If you reach in the jar and pull out 2…

A: Given :   19 red marbles   11 blue marbles     Total marbles =19+11                             =30…

Q: Suppose a jar contains 9 red marbles and 37 blue marbles. If you reach in the jar and pull out 2…

A: