A First Course in Probability (10th Edition)
10th Edition
ISBN: 9780134753119
Author: Sheldon Ross
Publisher: PEARSON
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- Mrs. Donovan is the coach of a middle school golf team that has 10 golfers. There are 4 sixth graders, 2 seventh graders, and 4 eighth graders on the team. Mrs. Donovan will randomly select two team captains.What is the probability that both captains will be eighth graders?arrow_forwardA bag contains 5 red balls and 3 white balls. If 3 balls are drawn with replacement from the bag, what are the probabilities that. a. 2 balls will be red? b. a least 2 balls will be red?arrow_forwardConsider a bowl containing 120 marbles: 20 green, 17 blue, 20 gray, 6 orange, 4 yellow, 22 cat eyes, and 31 multicolored. Suppose each marble has an equal chance of being picked from the bowl. Find the following probabilities. Round your answer to 4 decimal places. A.) P(Blue) B.) P(multicolored) C.) P(Green)arrow_forward
- Elizabeth brought a box of donuts to share. There are two-dozen (24) donuts in the box, all identical in size, shape, and color Five are jelly-filled, 8 are lemon-filled, and 11 are custard-filled. You randomly select one donut, eat it, and select another donut. Find the probability of selecting a lemon-filled donut followed by a custard-filled donut. (Type an integer or a simplified fraction.) ry ources ions ols Enter your answer in the answer box and then click Check Answer clearAl Chock Answ All parts showing Copyright t 2021 Pearson Education Inc. All rghts reserved. Terms of Use | Privacy Policy | PermissionS/ Contact US/ 2:08 PM 87F Mostly cloudy ^ 7/12/2021 99 Type here to search DELL F12 PrtScr Insert Delete PgUp PgDn F7 F8 F9 F10 F11 F2 F3 F4 F5 F6arrow_forwardA box contains marbles of five different colors: red, green, blue, yellow, and purple. There is an equal number of each color. Assign probabilities to each color in the sample space. (Give your answers as fractions.) Red Green Blue Yellow Purplearrow_forward46% of an insurance agents clients have life insurance, 40% have auto insurance and 28% have both policies. Why is the probability that a randomly selected client has life insurance or auto insurance? write the answer in decimal form.arrow_forward
- Elizabeth brought a box of donuts to share. There are two-dozen (24) donuts in the box, all identical in size, shape, and color. Four are jelly-filled, 6 are lemon-filled, and 14 are custard-filled. You randomly select one donut, eat it, and select another donut. Find the probability of selecting a lemon-filled donut followed by a custard-filled donut. (Type an integer or a simplified fraction.) wwwarrow_forwardA bag contains 8 red chips and 12 blue chips. Two chips are selected randomly without replacement from the bag. What is the probability that the two chips are NOT the same color? A. 0.4947 B. 0.1474 C. 0.2526 D. 0.5053 E. 0.5474arrow_forwardA slot machine has 3 dials. Each dial has 30 positions, one of which is "Jackpot". To win the jackpot, all three dials must be in the "Jackpot" position. Assuming each play spins the dials and stops each independently and randomly, what are the odds of one play winning the jackpot? 1/30 = 0.03 or 3% 3/(30+30+30) = 3/90 = 0.33 or 33% 3/(30×30×30) = 3/27000 = 0.0001 or 0.01% 1/(30×30×30) = 1/27000 = 0.00003 or 0.003% Question 18arrow_forward
- There are 30 marbles in a barrel. Each marble is red, yellow, or blue. There are 9 red marbles and 15 yellow marbles. One-third of the marbles of each color are striped. What is the probability that a marble picked out of the barrel at random will be blue and striped?arrow_forwardYou are dealt one card from a standard 52-card deck. Find the probability of being dealt a queen and a ten. he probability of being dealt a queen and a ten is?arrow_forwardAccording to a survey of American households, the probability that the residents own 2 cars if annual household income is over $50,000 is 80%. Of the households surveyed, 60% had incomes over $50,000 and 70% had 2 cars. The probability that the residents of a household own 2 cars and have an income over $50,000 a year is Group of answer choicesarrow_forward
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