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Question

Determine the probability of three coins falling all heads up when tossed simultaneously.

A
12
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B
16
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C
18
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D
78
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Solution

The correct option is C 18
Probability = Number of favourable outcomesTotal number of outcomes

Total outcomes = 8
[HHH, HTH, HHT, TTT, HTT, THT, TTH, THH]

Favorable outcomes = 1 [HHH]

Probability of three coins falling all head up when tossed simultaneously =18

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