The odds against selling a car today, when the probability of selling a car today, is 0.28 is 2.57.
In probability, the term odds against is the ratio of probability of non occurring a favorable event to the probability of occurring a favorable event. It can be given as,
[tex]\text{Odd\;against}=\dfrac{P(\overline A)}{P(A)}[/tex]
Here, [tex]P(\overline A)[/tex] is the probability of not occurring a favorable event and P(A) is the probability of occurring a favorable event.
The probability of selling a car today is 0.28. Thus,
[tex]P(A) =0.28[/tex]
The probability of not selling a car today is 0.28,
[tex]P(\overline A)=1-0.28\\P(\overline A)=0.72[/tex]
Odds against selling a car today is,
[tex]\text{Odd\;against}=\dfrac{0.72}{0.28}\\\text{Odd\;against}=2.57[/tex]
Thus, the odds against selling a car today, when the probability of selling a car today, is 0.28 is 2.57.
Learn more about the odds against here;
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