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A set of 5 coins tossed 3200 times and the number of heads appearing each time is noted . The results are given below: No.of

A set of 5 coins tossed 3200 times and the number of heads appearing each time is noted . The results are given below:

No.of heads. 0 1 2 3 4 5

Frequency 80 570 1100 900 500 50

Test the hypothesis that coin is unbiased.

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