Question: 1) On a given Friday, a dentist performs a number of fillings with probability of each number given below: 1 .35 0 .15 2

1) On a given Friday, a dentist performs a number of fillings with probability of each number given below: 1 .35 0 .15 2 X 3 4. .15 .05 Find X, and then find the probability of 2 or more fillings that Friday.

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