50 people at a party, 10 are married, --if two are chosen at random --what is the probability both are married.

Solution Preview

Solution. We can think about this problem in the following way. As two are chosen at random from 50 people, there are C(50, 2)=50*49/2!=2450/2=1225 possible ways to select these two ...

Solution Summary

The probability of people being married at a party is determined.

... b). If you were one of these people, in what time interval would you ... Given probabilities are featured ... There is a 45% probability he will choose location A, a 25 ...

... The probability of getting three heads is a row is 0.5 ... To people who are tasters, the paper tastes very bitter ... tongue-roller and a non-PTC-taster marries a man ...

... Degree) 0.0015 The population here is all people - employed as ... a high school graduate." Find the probabilities of these ... Find the probability P(A or B). P(At ...

Research has demonstrated that people tend to be attracted to ... Suppose that this probability is only 6.5 ... Next, a sample of n=200 married couples is selected and ...

... So, there are 340 people who are married and have a ... not watching TV, 30% of the time his wife is watching ... What is the probability that, if the wife is watching ...

... 6.5 How many ways can 3 married couples sit in a row of 6 chairs if... ... 7.4 In a group of 15 people, what is the probability that at least 2 of them have the ...

... For each of the following people, what is the premium ... Suppose that Skipper believes his probabilities of losses ... The probability of a suit is 0.04 and the loss ...

... b. The highest probability that if this couple has a child, the ... Now we know the genotypes of the two people in question. ... know the guy is 1/2Gg and the wife is 1 ...

... Jennifer faces the probability of placing her father in a ... and she takes pride in never letting people down ... her effectiveness as an employee, wife, daughter, and ...

... a movie, find the probability that one ... Various statistics problems on probabilities, combinations, permutations and ... different committees of five people can be ...