SOLUTION: Thirty five percent of consumers prefer to purchase electronics online. You randomly select 8 consumers. Find the probability that the number of consumers who prefer to purchase el
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Question 1153304: Thirty five percent of consumers prefer to purchase electronics online. You randomly select 8 consumers. Find the probability that the number of consumers who prefer to purchase electronics online is (a) exactly five, (b) more than five, and (c) at most five.
(a) Find the probability that the number that prefer to purchase electronics online is exactly five
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
For 5 it is 8C5*0.35^5*0.65^3, per the binomial formula, and that prob.=0.0808
for 6 it is 8C6*0.35^6*0.65^2=0.0217
for 7, 0.0033
for 8, 0.0002
so more than 5 are the last three or 0.0252
at most 5 is the complement or 0.9748
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