Author: Anonymous

Solve the problem.A survey of senior citizens at a doctor’s office shows that 52% of the seniors take blood pressure lowering medication and 42% take cholesterol lowering medication. 19% take both medications. What is the probability that a senior citizen takes either blood pressure or cholesterol lowering medication?

Find the probability.The distribution of B.A. degrees conferred by a local college is listed below, by major. Major Number of Students English 2073 Mathematics 2164 Chemistry 318 Physics 856 Liberal Arts 1358 Business 1676 Engineering 868 What is the probability that a randomly selected degree is not in Mathematics? Round to the nearest thousandth.

Solve the problem.A contractor is considering a sale that promises a profit of $28,000 with a probability of .7 or a loss (due to bad weather, strikes, and such) of $7000 with a probability of .3. What is the expected profit?

Solve the problem.The results of a school election for student president are shown in the following table. Candidate A B C D E Votes for 15 23 23 29 10 What is the probability that a randomly polled voter voted for Candidate C?

Solve the problem.In a game, you have a probability of winning $75 and a probability of losing $6. What is your expected value in this game?

Solve the problem.The results of a school election for student president are shown in the following table. Candidate A B C D E Votes for 13 21 22 27 17 What is the probability that a randomly polled voter voted for Candidate C?

Use the table to find the probability.The table shows the number of college students who prefer a given pizza topping. toppings freshman sophomore junior senior cheese 12 11 24 21 meat 26 21 11 12 veggie 11 12 26 21 Determine the probability a student prefers meat topping given that student is junior. Round to the nearest thousandth.

Solve the problem.A survey revealed that 45% of people are entertained by reading books, 31% by watching TV, and 14% are entertained by both books and TV. What is the probability that a person will be entertained by books or TV?

Solve the problem.A mining company is considering two sites on which to dig, described as follows:Site A: Profit if diamonds are found: $60 million. Loss if no diamonds are found: $10 million. Probability of finding diamonds: 0.2Site B: Profit if diamonds are found $110 million. Loss if no diamonds are found $25 million. Probability of finding diamonds: 0.1What is the expected profit for each site? Site A:  $[siteA]million Site B:  $[siteB]million

Find the probability.When two balanced dice are rolled, there are 36 possible outcomes. What is the probability that the sum of the numbers on the dice is 6 or 9?