Contingency table for beer and cigars

Reference no: EM1390102

Four percent of the customers of a store buy cigars. Half of the customers who buy cigars buy beer and one fourth of those who buy beer buy cigars. The table is given below:

Beer No Beer Total
Cigars .02 .02 .04
No cigar .06 .90 .96
Total .08 .92 1.00

Determine the probability that a customer buys beer or cigars.

Reference no: EM1390102

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