is a computer-consulting firm. The number of new clients that it has obtained each month has ranged from 0 to 6. The number of new clients has the probability distribution that is shown below. Number of   New Clients Probability 0 .05 1 .10 2 .15 3 .35 4 .20 5 .10 6 .05 The variance is _____.   a. 2.0475     b. 21     c. 1.431     d. 3.05

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