Question: Binomial Random Variable Probability Distribution

According to a recent article in The Wall Street Journal , 4 out of 10 web surfers who view Internet banner ads remember them. Suppose that a random sample of 5 web surfers is selected and asked if they remember a specific Internet banner that they previously accessed. Use the binomial model, assuming p=0.4, to answer the following questions:

1. What is the expected value, or mean, of this binomial distribution? Do not round.
   ii.    What is the standard deviation of this binomial distribution? Round to three decimal places.
   iii.    What is the probability that none of the web surfers will remember the banner ad? Round to four decimal places.
   iv.    What is the probability that exactly 2 of the web surfers will remember the banner ad? Round to four decimal places.
   v.  What is the probability that 3 or more of the web surfers will remember the banner ad? Round to four decimal places.
   
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