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About 55% of all small businesses in the United States have a website. You randomly select 10 small businesses. What is the probability that exactly four of them have a website? Use a table to find the probability.
a. Identify a trial, a success, and a failure.
b. Identify n, p, and x.
c. Use Table 2 in Appendix B to find the binomial probability.
d. Interpret the results.
e. Determine whether the event is unusual. Explain. |
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