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) About Me  (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