Question

three coins are tossed simultaneously 250 times with the following frequencies of different outcomes

Answer 1

1) utmost 2 heads means atleast one tail must be there so adding all the occurences of tails from 1 to 3 we get 205/250 = 41/50

2) since no tails means all heads
45/250 = 9/50

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Answer 2

Answer:

see the above attachment