Five coins were simultaneously tossed 1000 times and at each, toss the number of heads was observed.

Question:

Five coins were simultaneously tossed 1000 times and at each, toss the number of heads was 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.

 

Solution:

$\therefore$ Mean number of heads per toss $=\sum \mathrm{fx} / \mathrm{N}$

= 2470/1000

= 2.47

 

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