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Q1) It is very difficult for small businesses to be successful. Small Business Administration evaluates that 20 percent will dissolve or go bankrupt within 2 years. A sample of 50 new businesses is chosen.

a) Determine the mean and standard deviation of this distribution?

b) Find out the probability that more than 16 in the sample will go bankrupt?

c) Find out the probability that exactly 14 will go bankrupt?

d) Find out the probability that between 7 and 9 businesses will go bankrupt?

e) Find out the probability that between 7 and 15 businesses will go bankrupt?

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