## anonymous one year ago The probabilities of the top-selling menu item of the family restaurants in four towns being vegetarian and different types of non-vegetarian sandwiches are given in the table. Town Vegetable Sandwich Non-vegetarian Chicken Sandwich Non-vegetarian Ham Sandwich Non-vegetarian Bacon Sandwich Non-vegetarian Tuna Sandwich Town 1 6.63% 5.42% 7.05% 6.19% 5.91% Town 2 6.84% 7.11% 6.89% 5.69% 6.58% Town 3 5.97% 6.63% 5.72% 5.86% 5.79% Town 4 6.54% 5.86% 6.24% 6.24% 6.33% Total 6.24% 5.77% 6.03% 5.92% 6.27%% If a family restaurant in Town 2 has a non-vegetarian sandwich as its top-selling

1. anonymous

what is the probability that it is a tuna sandwhich? a) 21.7 b) 25.0 c)27.4 d) 62.7 e) 65.8 I only have two days. I'll medal and stuff that you guys do on this website XD

2. kropot72

The probability that it is a tuna sandwich is found by dividing the probability of a tuna sandwich by the sum of the probabilities of all the non-vegetarian sandwiches: $\large P(tuna)=\frac{0.0658}{0.0711+0.0689+0.0569+0.0658}=you\ can\ calculate$