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Two coins are tossed simultaneously 80 times and the outcomes were recorded as under. If two coins are tossed at random, the probability of getting no head is:

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114

34

14

514

answer is C.

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Detailed Solution

Given that two coins were tossed together 80 times and the frequency distribution table is made.
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Number of times no heads appeared = 20
And, total number of outcome = 80
The probability of an event =

\frac{Number of favorable outcomes}{Total number of outcomes}

Now, the probability of getting no head is,

= Number of times no heads appeared Total number of outcomes = 2080

= 14

The probability is

14

.
Hence, option 3 is correct.

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