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Three Coins Are Tossed Simultaneously 200 Times with the Following Frequencies of Different Outcomes - Mathematics

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Three coins are tossed simultaneously 200 times with the following frequencies of different outcomes:-

Outcome 3 heads 2 heads 1 head No head
Frequency 23 72 77 28

If the three coins are simultaneously tossed again, compute the probability of 2 heads coming up.

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Solution

Number of times 2 heads come up = 72

Total number of times the coins were tossed = 200

`"P(2 heads will come up) "="Number of times 2 heads come up"/"Total number of times the coins were tossed"=72/200=9/25`

 

Concept: Probability - an Experimental Approach
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APPEARS IN

NCERT Class 9 Maths
Chapter 15 Probability
Exercise 15.1 | Q 4 | Page 284

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