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starting at 7 am buses arrive at a particular bus stop in a college campus at intervals of 15 minutes that is at 7 am
the time it takes a bank teller to serve a customer is uniformly distributed between 2 and 6 minutes a customer has
a certain door can be opened by exactly one of six keys if you try the keys one after another what is the expected
a box contains r red balls and b blue balls an experiment is conducted with the balls as follows a ball is randomly
a student is planning to take the scholastic aptitude test sat exam to gain admission to a top college she hopes to
sam is fond of taking long-distance trips during each trip his car has a tire failure in each 100-mile stretch with a
six applicants for a job were all found to be qualified by the company the company then ranked these applicants in a
the probability of getting a head in a single toss of a biased coin is q in an experiment that consists of repeated
pete makes house calls to give away free books to families with children he gives away books to those families that
the carter family owns a bookstore and their son who just completed an introductory course in probability at a local
a telemarketer is paid 1 for each sale she makes the probability that any call she makes results in a sale is 06a what
there are 50 states in the united states and each state is represented by 2 senators in the us senate a group of 20 us
a professor provides 12 review problems for an exam and tells the students that the actual exam will consist of 6
the number of cars that arrive at a gas station is a poisson random variable with a mean of 50 cars per hour the
the number of traffic tickets that a certain traffic officer gives out on any day has been shown to have a poisson
the number of cars that arrive at a drive-in window of a certain bank over a 20-minute period is a poisson random
an equipment consists of 9 components each of which will independently fail with a probability of p if the equipment is
a multiple-choice exam has 6 problems each of which has 3 possible answers what is the probability that john will get 4
a block of 100 bits is to be transmitted over a binary channel with a probability of bit error of pfrac140001 what is
an office has 4 phone lines each is busy about 10 of the time assume that the phone lines act independentlya what is
the laptops made by the xyz corporation have a probability of 010 of being defective as they come out of the assembly
on the average 25 of the products manufactured by a certain company are found to be defective if we select four of
five fair coins are tossed assuming that the outcomes are independent find the pmf of the number of heads obtained in
a company makes gadgets that it sells in packages of eight it has been found that the probability that a gadget made by
at least 10 of 12 people in a jury are required to find a person guilty before the person can be convicted assume that