Suppose the probability of rain tommorw is 80%. what are the odds of rain tommorrow?

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Answer 1 · 2018-03-01T01:22:14

$4$ $4$ in $5$ $5$

"The odds of" refers to the method of writing a probability as
$x$ $x$ in $y$ $y$ .

the probability of raining tomorrow is 80%
$= \frac{80}{100}$ $=80/100$
$= \frac{4}{5}$ $=4/5$

Therefore, the odds of rain tomorrow is $4$ $4$ to $1$ $1$ .

Answer 2 · 2018-03-01T05:15:55

The odds of rain are $4 : 1$ $4:1$ .

Convert the probability percentage to a fraction:

$80 % \to \frac{4}{5}$ $80% -> 4/5$

Any fraction will do. Now take the number on bottom and subtract the number on top:

$5 - 4 = 1$ $5-4 = 1$

The number on top $4$ $4$ is the first number in the odds expression, and this new $1$ $1$ is the second number.

$Probability = 80% \Rightarrow Odds = 4:1$ $"Probability = 80% " => " Odds = 4:1"$

This odds expression means that, for every 4 rainy days, we expect to get 1 non-rainy day (5 days total).