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CBSE Class 9 Answered

Three coins are tossed simultaneously 250 times and the following frequencies of the outcomes are recorded:

Asked by guptaekta421 | 11 Oct, 2019, 03:44: PM
Expert Answer
Frequency (no heads) = 250 - (23 + 72 + 77) = 78
(1) P(getting no heads) = 78/250= 39/125
(2) P(getting atleast one head) = (23 + 72 + 77)/250 = 172/250 = 86/125 

Answered by Yasmeen Khan | 11 Oct, 2019, 04:20: PM
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