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A Web site reported in 2018 that 47​% of all Web traffic comes from laptops and...

A Web site reported in 2018 that 47​% of all Web traffic comes from laptops and desktops. Complete parts a through d below based on if a random sample of 11 households was selected.

a. What is the probability that exactly two households used a laptop or desktop to access the​ web?

b. What is the probability that less than three households used a laptop or desktop to access the​ web?

c. What is the probability that more than five households used a laptop or desktop to access the​ web?

d. What are the mean and standard deviation for this​ distribution?

Math   Statistics-And-Probability   
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