Question

Students in a college were classified according to years in school (X) and number of visits to a museum in the last year (Y = 0 for no visits, 1 for one visit, 2 for more than one visit). The joint probabilities in the accompanying table were estimated for these random variables.
a. Find the probability that a randomly chosen student has not visited a museum in the last year.
b. Find the means of the random variables X and Y.
c. Find and interpret the covariance between the random variables X and Y.


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  • CreatedJuly 07, 2015
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