What is the probability that between 2 and 6 customers inclusive want hot peppers?

1) Elly's hot dog emporium is famous for chili dogs. Some customers order hot dogs with hot peppers, while many do not care for the extra zest. Elly's latest taste test indicates that 30% of the customers ordering her chili dogs order it with hot peppers. Suppose 18 customers are selected at random. What is the probability that between 2 and 6 customers inclusive want hot peppers?
a. 0.504
b. 0.645
c. 0.708
d. 0.785
e. None of the above

2) 60% of the workers in one company own their company stock. A random sample of 8 workers is selected. What is the probability that among the workers in the sample more than 6 own company stock?
a. 0.1068
b. 0.3156

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1) Elly's hot dog emporium is famous for chili dogs. Some customers order hot dogs with hot peppers, while many do not care for the extra zest. Elly's latest taste test indicates that 30% of the customers ordering her chili dogs order it with hot peppers. Suppose 18 customers are selected at random. What is the probability that between 2 and 6 customers inclusive want hot peppers?
a. 0.504
b. 0.645
c. 0.708
d. 0.785
e. None of the above

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Solution Summary

This problem set consists of two questions that can be solved using the binomial (Bernoulli) distribution. Complete, step-by-step explanations are provided.

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5 10%
6 10%
What is the expected numb

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See the attached file.
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