A) A fair coins is tossed 5 times. what is the probability tat it lands on heads exactly once?round you answer to two decimal places

Question

asked Feb 8, 2023 146k views

1 Answer

Claude Houle · Answer 1 · 2023-02-14T05:06:53+0000

The possible outcomes are; HTTTT or THTTT or TTHTT or TTTHT or TTTTH

Prob(H) = 1/2 and Prob(T) = 1/2

Prob(exactly one head) = 5 x Prob(HTTTT)

$=5*((1)/(2))^5=(5)/(2^5)=(5)/(32)=0.15625\approx0.16$