Li pie 1. Dealer in refrigerators estimates from his past experience the probabilities of his selling refrigerators in a day. These are as follows: kte No. of refrigerators sold in a day 1 3 4 Probability 0.25 0.12 0.10 0.07 0.20 0.23 Find the mean numbers of refrigerators sold in a day. 0.03 reci

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