If the mean of the following distributio...

If the mean of the following distribution is 27, find the value of `p` . Class: 0-10 10-20 20-30 30-40 40-50 Frequency: 8 `p` 12 13 10

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If the mean of the following distribution is 54, find the value of p : Class: 0-20 20-40 40-60 60-80 80-100 Frequency: 7 p 10 9 13

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