Question: One of the most profitable items at A1 Auto Security Shop is the remote starting system. The following table lists the probability distribution of x,

One of the most profitable items at A1 Auto Security Shop is the remote starting system. The following table lists the probability distribution of x, where x represents the number of such systems installed on a given day at this shop and P(x) is the corresponding probability. 1 3 .30 .15 Р(х) .25 .20 .10 2.

Find the mean and standard deviation of this probability distribution.
Give a brief interpretation of the values of the mean and standard deviation.

1 3 .30 .15 () .25 .20 .10 2.

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