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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
consider the following game that involves tossing a fair die if the outcome of a toss is an even number you win 2 if
three vans are used to carry 45 students in the applied probability class to participate in a state competition on
assume that we roll two dice and define three events a b and c where a is the event that the first die is odd b is the
suppose that two events a and b are mutually exclusive and pbgt0 under what conditions will a and b be
four married couples bought tickets for eight seats in a row for a football gamea in how many different ways can they
a committee consisting of 3 electrical engineers and 3 mechanical engineers is to be formed from a group of 7
a committee of 7 people is to be formed from a pool of 10 men and 12 womena what is the probability that the committee
five departments in the college of engineering which are labeled departments a b c d and e send three delegates each to
a box contains 50 computer chips of which 8 are known to be bad a chip is selected at random and testeda what is the
the probability of rain on a day of the year selected at random is 025 in a certain city the local weather forecast is
53 of the adults in a certain city are female and 15 of the adults are unemployed males a what is the probability that
a survey of 100 companies shows that 75 of them have installed wireless local area networks wlans on their premises if
a certain manufacturer produces cars at two factories labeled a and b 10 of the cars produced at factory a are found to
chuck is a fool with probability 06 a thief with probability 07 and neither with probability 025a what is the
tom is planning to pick up a friend at the airport he has figured out that the plane is late 80 of the time when it
a group of students consists of 60 men and 40 women among the men 30 are foreign students and among the women 20 are
joe frequently gets into trouble at school and past experience shows that 80 of the time he is guilty of the offense he
three car brands a b and c have all the market share in a certain city brand a has 20 of the market share brand b has
let the random vector xy have joint density functionfxy 141xy if -10 otherwisea show that x and y are dependentb show