When tossing 2 coins, the probability of getting exactly 1 tail is 1/4

Question

Susan Russell

Mathematics

23 May, 23:26

When tossing 2 coins, the probability of getting exactly 1 tail is 1/4

+1

Answers (2)

Know the Answer?

Chandler Gillespie · Answer 1

The answer is false.

Exactly 1 tail would mean the probability is 1/2.

Seth Russo · Answer 2

When tossing 2 coins the probability of getting one tail is:

P (HT) + P (TH)

P (HT) = (1/2) ^2=1/4 and P (TH) = (1/2) ^2=1/4

P (HT or TH) = 1/4+1/4=2/4=1/2