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- "1 Serious worker injuries at a steel fabric

"1. Serious worker injuries at a steel fabricating company average 2 per year.
a.) Given that the safety conditions at the plant remain the same next year, what is the probability that the number of serious injuries will be less than 2?
b.) How many serious injuries would you expect next year?
c.) What is the variance for the number of serious injuries next year?
2. Many employees are finding that some of the people they hire are not who and what they claim to be. Detecting job applicants who falsify their application informayion has spawned some new business: credential-checking services. Suppose that you hire six new employees last week and that the probability that a single employee would falsify the information on his or her application form is 4.
a.)What is the probability that exactly six application forms have been falsified?
Would you expect this probability to be small or large? Explain.
b.) What is the probability that at least two of the six application forms have been falsified?
c.)What is the probability that one or more have been falsified?
d.) How many of the six application forms would you expect to be falsified?
e.) What is the variance for the number of falsified application forms?
3. Suppose that 25 people are called in for jury duty, two of whom are Native American. If 12 of the 25 people are randomly selected to the jury, then answer the following questions:
a.) Generate the probability distribution for x.
b.) What is the probability that no Native Americans are selected to the jury? "

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