Question

James decides to clean up his rooms. While cleaning, he accidentally knocks three coins off his desk. The coins actually land on the chair below, finds the odds:


A) In favor of getting exactly three heads?

B) Against getting exactly two heads?

Answer 1

Probability of getting 3 heads = (1/2)^3

Answer 2

so odds in favor is 1/8?

Answer 3

yes

Answer 4

probability of not getting exactly 2 heads = 1 - probability of getting 2 heads