# What is the probability of obtaining 4 heads in a row when a coin is tossed?

Category: QuestionsWhat is the probability of obtaining 4 heads in a row when a coin is tossed?
Editor">Editor Staff asked 11 months ago

What is the probability of obtaining 4 heads in a row when a coin is tossed?

(a) \frac {5}{8}

(b) \frac {6}{19}

(c) \frac {1}{16}

(d) \frac {4}{7}

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I’d like to ask this question from Probability topic in portion Probability of Mathematics – Class 12
NCERT Solutions for Subject Clas 12 Math Select the correct answer from above options
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Editor">Editor Staff answered 11 months ago

The correct option is (c)
1
16

Easiest explanation: Probability of getting 4 heads in a row =
1
2
×
1
2
×
1
2
×
1
2
=
1
16

hence, the probability of getting 4 heads in a row =
1
16