Fill in the Blank | Item Question A printer shop finds that in any given day, the probability of selling top of the line printers is shown below: (input up to 4 decimal places) Number of Units Sold (x) 0 1 0.0072 2 Probability P(x) 0.0015 [A] What is the probability that at most 5 printers are sold? [B] What is the probability that at least one printer is sold? [C] What is the probability that at least 3 but fewer than 7 printers were sold? [D] What is the mean of the probability distribution? [E] What is the standard deviation of the probability distribution? 3 0.1530 0.0871 0.2561 5 0.1342 6 0.3100 7 0.0072 8 0.0437

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