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CBSE Class 9 Answered

Three coins are tossed simultaneously 200 times with the following frequencies of different outcomes: Outcomes 3 heads 2 heads 1 head No heads Frequency 23 72 77 28 Find the probability of getting (i) 3 heads (ii) at least two heads (iii) two heads and one tail.
Asked by Topperlearning User | 11 Dec, 2013, 12:33: AM
answered-by-expert Expert Answer

Total number of trials = 200

(i) P(getting 3 heads) =

(ii) P(at least two heads) = 

(iii) P(two heads and one tail) = 

Answered by | 11 Dec, 2013, 02:33: AM

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