Q. 115.0( 5 Votes )

Five coins were simultaneously tossed 1000 times and at each toss the numbers of heads were observed. The number of tosses during which 0, 1, 2, 3, 4 and 5 heads were obtained are shown in the table below. Find the mean number of heads per toss.

Answer :

Mean number of heads per toss =

= = 2.47

Therefore, mean = 2.47

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