A certain jar contains 60 jelly beans- 22white, 18 green, 11 yellow, 5 red and 4 purple. If a jelly bean is to be chosen at random, what is the probability that the jelly bean will be neither red nor purple? A) 0.09 B) 0.15 C) 0.54 D) 0.85 E) 0.91
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Pr= n(s)/N
Pr (Red) = 5/60
pr(purple)= 4/60
Pr(neither red nor purple) = 1-(5/60+4/60)
Pr(neither red nor purple)= 1-9/60
Pr(neither red nor purple)=51/60
Pr(neither red nor purple)= 0.85
Answer: 0.85 (D)