Il- Solve the following problems. 1. The daily demand for copies of a magazine at a variety store has the probability distribution below. Probability P(X) 0.06 0.14 0.16 0.14 Number of Copies 1. 3. 0.12 0.1 0.08 0.07 0.06 0.04 0.03 4. 6. 7. 8. 6. 10 a. What is the probability that three or more copies will be demanded in a particular day b. What is the probablity that the demand will be at least two but not more than six?

The probability distribution given below represents the projected profit (in thousands of dollars) earned from a business over a year.   Profit (x) in thousands of dollars f(x) -100 0.05 -50 0.15 0 0.30 50 0.35 100 0.12 200 0.03   a.) What is the probability that the business will operate at a loss for the year?     b.) What is the probability that the business will break even?     c.) What is the expected value for profit? Fill out the table below to help you calculate the value.

K The following data represent the number of drivers involved in a fatal crash in 2016 in various light and weather conditions. Complete parts (a) through (c) below. Click the icon to view the data for fatal crashes in 2016. (a) Among fatal crashes in unknown weather conditions, what is the probability that a randomly selected fatal crash occurs when it is dawn/dusk? The probability that a randomly selected fatal crash in unknown weather conditions occurs when it is dawn/dusk is approximately. (Round to three decimal places as needed.) Data table Weather Daylight Dark, but Lighted 5875 497 51 54 255 Normal Rain Snow/Sleet Other Unknown 14,307 875 219 125 810 (...) Dark 8151 681 156 220 548 Dawn/Dusk Other 1183 87 40 71 65 8 2 9 133 X