SOLUTION: The Wall Street Journal reported that approximately 25% of the people who are told a product is improved will believe that it is, in fact, improved. The remaining 75% believe that

Question 375852: The Wall Street Journal reported that approximately 25% of the people who are told a product is improved will believe that it is, in fact, improved. The remaining 75% believe that this is just hype (the same old thing with no real improvement). Suppose a marketing study consists of a random sample of twelve people who are given a sales talk about a new, improved product.
Compute the mean and standard deviation of this probability distribution.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Find the probability for the number of believers from 0 to 12.

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