Question

In tossing three coins at a time, the probability of getting at least one heads is:

विकल्प

• `7/8`

• `1/2`

• `1/8`

• `3/8`

Answer 1

`7/8`

Explanation:

On tossing three times, number of possibilities = (2)³ = 8

∴ Probability of getting at least one head = `1 - 1/8 = 7/8`