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A florist determines the probabilities for the number of flower arrangements they deliver each day. x...

A florist determines the probabilities for the number of flower arrangements they deliver each day. x 19 20 21 22 23 P ( x ) 0.21 0.24 0.34 0.10 0.11 Find the mean, variance, and standard deviation of the distribution rounded to 4 decimal places. Mean = 20.66 Variance = Standard Deviation = Approximately how many arrangements should the florist expect to deliver each week, rounded to the nearest whole number?

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