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Solve the problem.Suppose a charitable organization decides to raise money by raffling a trip worth $500. If 3,000 tickets are sold at $1.00 each, find the expected net winnings for a person who buys 1 ticket.

Choose the appropriate answer:

Provide an appropriate response.The permutation formula can be used to determine which of the following?A: The number of ways of completing a test consisting of 10 true/false questionsB: The number of ways of arranging 8 people in a lineC: The number of ways a panel of people could vote if each person votes yes or no

Solve the problem.How many ways can an IRS auditor select 3 of 11 tax returns for an audit?

Find the expected value.Suppose you pay $3.00 to roll a fair (6-sided) die with the understanding that you will get back $5.00 for rolling a 1 or a 5, nothing otherwise. What is your expected net winnings?

Solve the problem.How many different 6-letter sequences can be made using the first 11 letters of the alphabet? Assume that repetition of letters is allowed.

Solve the problem.A pizza restaurant advertises 120 different 3-topping pizzas. How many individual toppings does the restaurant use? Assume that no topping is used more than once on a pizza and that the order of the toppings on the pizza is unimportant.

Solve the problem.There are 6 women running in a race. How many different ways could first, second, and third place finishers occur?

2.  You are walking with Mrs. Stewart when she begins limping and grimacing in pain. She refuses to walk any further and states that she thinks she hurt her foot this morning. The subjective data to report to the nurse is that Mrs. Stewart  

9.  Alva is a resident recovering from a stroke. She has right-sided weakness and needs your assistance with dressing. You should remove her pajama top