Question

Two coins are tossed 729 times and the outcomes are given below

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OUTCOMES = NO TAIL ONE TAIL TWO TAILS
FREQUENCY= 189 297 243
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find the probability of getting
1) 2 HEADS 2) AT LEAST ONE TAIL 3) NO HEAD

Answer 1

Answer:

Outcomes No tail one tail two tails

Frequency 189 297 243

Probability of occurrence of each ever

1.Probability of (no tail) P(A) =

729

189

2.Probability of (one tail) P(B) =

729

297

3.Probability of (two tails) P(C) =

729

243