A local restaurant is handing out coupons at random for a marketing promotion. The coupons are if equal size, well mixed and an item name is on each coupon. Determine the probability that a customer will not win an entree?

We are given the following detail:
Probability of beverage = 0.45
Probability of appetizer = 0.20
Probability of entree = 0.05
Probability of dessert = 0.30
b) The probability that a customer will not win an entree is calculated as shown below:
[tex]\begin{gathered} P(no.entree)=1-P(entree) \\ P(entree)=0.05 \\ P(no.entree)=1-0.05 \\ P(no.entree)=0.95 \\ \\ \therefore P(no.entree)=0.95 \end{gathered}[/tex]Therefore, the probability that a customer will not win an entree is 0.95 or 95%