Question

Fifty percent of the people that get mail-order catalogs order something. Find the probability that exactly two of 8 people getting these catalogs will order something.. .250. 7.000. .004. .109

Answer 1

The probability that exactly two of 8 people getting these catalogs will order something is .109. The correct answer between all the choices given is the last choice. I am hoping that this answer has satisfied your query and it will be able to help you, and if you would like, feel free to ask another question.

Answer 2

This can be solved using the binomial distribution.
$P(2\ out\ of\ 8)=8C2\times 0.5^{2}\times 0.5^{6}=0.109$