In a certain town 25 of people commute to work by bicycle If

In a certain town, 25% of people commute to work by bicycle. If a person is selected randomly from the town, what are the odds against selecting someone who commutes by bicycle? Please show work.

Solution

Odd against is

P(not commuting to work by cycle) : P(commuting to work by cycle)

0.75 :: 0.25

3:1