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
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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