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Question

A coin was tossed 1500 times and out of these, 100 times, the coin stuck somewhere so the result was not counted. The frequency of occurrence of a head was 700. Find the probability of occurrence of a tail.


  1. 0.5

  2. 0.3

  3. 0.46

  4. 1


Solution

The correct option is A

0.5


A coin was tossed 1500 times but 100 times result was not counted.

So, the total number of times result counted = 1400

Number of times head comes = 700

Number of times tail comes = 1400 - 700 = 700


Probability of occurrence of tail =Number of times tail comesTotal number of times result counted

Probability of occurrence of tail =7001400

Probability of occurrence of tail = 0.5

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