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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
a machine makes errors in a certain operation with probability p there are two types of errors type a error and type b
a car has five traffic lights on its route independently of other traffic lights each traffic light turns red as the
a fair die is rolled repeatedly until a 6 appearsa what is the probability that the experiment stops at the fourth
a random variable x assumes two values 4 and 7 with probabilities p and q respectively where determine the mean and
let x be the random variable that denotes the outcome of tossing a fair die oncea what is the pmf of xb what is the
a fair die is rolled once let n denote the outcome of the experiment find the expected value of n given that the
an insurance company has 1000 policies of men of age 50 the companys estimate is that the probability that a man of age
a class has 20 students whose heights are as follows there are 4 students with a height of 55 feet there are 5 students
the time it takes a machine to perform an operation depends on the state it enters when the start button is pushed
a student has three methods of solving a problem it takes him 1 hour to solve the problem using method a it takes him