Question: The probability a shop keeper will sell a clock is 2/9 and the probability he will sell a watch is 5/9. The probability he will

The probability a shop keeper will sell a clock is 2/9 and the probability he will sell a watch is 5/9. The probability he will sell a watch and a clock is

a. 10/81

b. 7/9

c. 1/1

d. 9/7

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