mr. lee had a bag of red beans and a bag of black beans. 20% of the total number of beans were black, and there were 180 ounces more red beans than black beans. he transferred some red beans to

10,306 results
  1. Math Probabilities

    A bag contains 9 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 the same color? That would be the probability of two reds PLUS the probability of two blues. The

  2. statistics

    The red face cards and the black cards numbered 2-9 are put into a bag. Four cards are drawn at random without replacement. Find the following probabilities: a) All 4 cards are red b) 2 cards are red and two cards are black c) At least one of the red cards

  3. statistics

    Assume that each bag contains 6 balls. Bag a contains 3 red and 3 white, while bag b contains 2 red, 2 white, and 2 blue. You randomly select one ball from bag a, note the color, and place the ball in bag b. You then select a ball from bag b at random and

  4. Math

    The ratio of red jelly beans to yellow jelly beans in a dish is 3:4. if greg eats 3 red jelly beans and 6 yellow ones, the ratio is 4;5. how many jelly beans were originally in the dish?

  5. Mathematics

    6 black counters and 4 white counters in bag A. 7 black counters and 3 white counters in bag B. 5 black counters and 5 white counters in bag C. Tarek takes at random a counter from bag A and puts the counter in bag B. He then takes at random a counter from

  6. Algebra

    A coffee mixture has beans that sell for $0.20 a pound and beans that sell for $0.68. If 120 pounds of beans create a mixture worth $0.54 a pound, how much of each bean is used? Model the scenario then solve it. Then, in two or more sentences explain

  7. science

    Listed below are six mixtures. Identify physical properties of the components that allow you to separate them. Then, explain the method you would use to separate the components. Mixture 1: Salt dissolved in water Physical Properties: Density Method of

  8. Math

    Assume a box contains three red jelly beans and two green ones. We consider the event that a red bean is drawn. Suppose I pick a jelly bean from the box without looking. I record the color but do not put the bean back in the box. Then I choose a bean

  9. managerial economics

    Suppose that the demand curve for beans is given by: Q=20-P Where Q is thousands of pounds of beans bought per week and P is the price in dollars per pounds a. How many beans will be bought at P=0 b. At what price does the quantity demanded of beans become

  10. Math-Algebra 1

    You have a bag which contains only red and green marbles. In this bag with x^2+5 marbles total, x+1 are red. Also, x-3 marbles have a scratch on them. The probability of drawing a red marble from the original bag is equal to that of drawing a marble with a

  11. math

    The ratio of black to red jellybeans in my bag is 9:4. If there are 52 jellybeans in total, how many black jellybeans are there in my bag?

  12. Discrete Probability (Math)

    A box contains 19 yellow, 29 green and 37 red jelly beans. If 14 jelly beans are selected at random, what is the probability that 5 are yellow?

  13. math

    Results of a survey of fifty students indicate that 30 like red jelly beans, 29 like green jelly beans, and 17 like both red and green jelly beans. How many of the students surveyed like no green jelly beans?

  14. math

    In a bag there 28 marbles. 7 black 6 pink 5 blue 4 purple 3 yellow 2 green 1 white You randomly pick one marble from the bag. What is P(not black)? 21% 75% 7% 25%

  15. statistics

    Four jelly beans are selected, one at a time from a bowl containing 6 black, 6 red and 6 green jelly beans. Let x represent the number of black jelly beans selected in 4 draws from the bowl. (A) If this experiment is completed without replacing the jelly

  16. Algebra

    A bag consists of 4 different colored marbles. The probability of drawing each is as follows: P (Blue)=. 4 P (Red)= .2 P (Purple)= .3 P (Black)= .1 You draw a marble out of the bag and then replace it. What is the probability that you draw: a. A red marble

  17. Math

    In a bag of 400 jelly beans, 25% of the jelly beans are red in color. If you randomly pick a jelly bean from the bag, what is the probability that the jelly bean picked is NOT one of red jelly beans?

  18. math

    Tucker bought 2 bags of beans. There are b beans in each bag. Write an expression that shows how many beans Tucker bought.

  19. maths

    A bag contains 4 red and 3 black balls. A second bag contains 2 red and 4 black balls. One bag is selected at random. From the selected bag, one ball is drawn. Find the probability that the drawn ball is red.

  20. Fractions

    Juan ate 1/3 of the jellybeans. Maria then ate 3/4 of the remaining jelly beans, which left 10 jelly beans. How many jelly beans were there to begin with?

  21. Math

    A bag contains only red and blue marbles. Yasmine takes one marble at random from the bag. The probability that she takes a red marble is 1 in 5. Yasmine returns the marble to the bag and adds five more red marbles to the bag. The probability that she

  22. math

    one bag of jelly beans contains 14 red jelly beans. how many red jelly beans would be found in 4 bag of jelly beans

  23. math

    A bag contains 100 marbles, some red and some purple. Suppose a student, without looking, chooses a marble out of the bag, records the color, and then places that marble back in the bag. The student has recorded 9 red marbles and 11 purple marbles. Using

  24. math

    mr. lee had a bag of red beans and a bag of black beans. 20% of the total number of beans were black, and there were 180 ounces more red beans than black beans. he transferred some red beans to the bag containing black beans, so that, the bag now contained

  25. Probablity

    There is a bag with 200 cubes in it. Some of the cubes are red and some are black. You reach into the bag 20 times, each time picking up random cube, recording its color, and putting the cube back in the bag. You picked 7 black cubes and 13 red cubes. With

  26. FINITE

    selection of colored balls from two bags. Assume that each bag contains 4 balls. Bag a contains 2 red and 2 white, while bag b contains 2 red, 1 white, and 1 blue. You randomly select one ball from bag a, note the color, and place the ball in bag b. You

  27. Math

    There are 2 opaque bags, each containing red and yellow blocks. Bag 1 contains 3 red blocks and 5 yellow. Bag 2 contains 5 red and 15 yellow. To play the game, you pick a bag and then you pick a block out of the bag without looking. Would a person be more

  28. probability

    a bag contains 14 identical balls,3of which are red, 4black and 7 white .5 balls are drawn from the bag .find the probability that[1] are red [2] at least 3 are black

  29. MATH 12 HELP!

    One bag contains 4 white balls and 6 black balls. Another bag contains 8 white balls and 2 black balls. A coin tossed to select a bad, then a ball is randomly selected from that bag. Suppose white ball was drawn. What is the probability that it came from

  30. maths

    a bag contains 10 marbles of which 2 are red and 8 are black.Bag B contains 12 marbles of which 4 are ed and 8 are black.A ball is drawn at random from each bag. 5.1 draw a probability tree diagram to show possible outcome

  31. Math

    Dana is going to draw marbles out of the bag. In the bag, there are 10 marbles. There are 4 black marbles, 5 white marbles, and 1 red marble. Dana choooses two marbles. After choosing the first one she put it back in the bag before choosing the second

  32. Math

    Trying to find how many jelly beans that can be in the jar? Exactly half were red and exactly one-third were blue, which of the following is not a reasonable number of jelly beans that can be in the jar? Is it 24, 50, 60 or 90?

  33. math

    The ratio of red jelly beans to yellow jelly beans in a dish is 3.4. If Greg eats 3 red ones and 6 yellow ones, the ratio is 4.5. How many yellow jelly beans were originally in the dish? Do you make 3.4 a fraction and 4.5 a fraction and times them? 3/6

  34. Math

    Find the sample space. a Bag contains 4 marbles: one each of red, blue, green and violet. Two marbles are drawn from the bag. assume that the first marble is not put in the bag before drawing the second marblle

  35. operation planning

    A gourmet coffee shop in downtown SF is open 250 days a year and sells an average of 80 pounds of Kona Coffee beans a day. it purchase coffee beans for $20.00 per pound. ordering (fixed cost = $16 per order), beans are always shipped from Hawaii within

  36. algebra

    You have a bag with 60 black jelly beans and 240 red ones. a) If you draw one jelly bean out of the bag, find the probability that it is black. -------60/300= 1/5 b) If you add 60 black jelly beans to the original bag and draw out a bean, what is the

  37. Intro statistics

    A bag contains 7 red, 6 orange, and 9 green jellybeans. What is the probability of reaching into the bag and randomly withdrawing 11 jelly beans such that the number of red ones is 7 the number of orange ones is 1 and the number of green ones is 3?

  38. Maths

    A woman buys 4 bags of rice for ₦56 per bag and 3 bags of beans for ₦26 per bag using the currency “NAIRA” (₦) in base 7. What is the total cost of the items in another currency “ANTI” (₳) in base 8?

  39. pre calculus

    A bag contains 4 blue marbles, 2 black marbles, and 3 red marbles. If a marble is randomly drawn from the bag, what is probability that it is not black? 1/2 2/9 5/9 7/9 14/19

  40. Is it possible if you guys can check my algebra HW

    two bags had 100 kilograms of sugar each. After taking out 3 times as much sugar from bag one than bag two , bag one had half as much sugar was bag two.How much sugar is left in each bag? i got 9 kilogram in bag on 1 and 0 grams in bag 2

  41. math

    Cynthia has a bag of jellybeans. There are two red jellybeans, one yellow jellybean, and two black jellybeans in her bag. Cynthia grabs two jellybeans and gives them to her friend, Pedro, and he eats them. What is the probability that she gives him two red

  42. math

    Tanya guessed there were 65 beans in a jar. Her guess was off by 20. Bryan guessed there were 35 beans in the jar. He was off by 10. How many beans are in the jar? And how would I show my work?

  43. Math

    A box has 8 blue and 5 green jelly beans. A bag has 6 blue and 8 green jelly beans. A jelly bean is selected at random from the box and placed in the bag. Then a jelly bean is selected at random from the bag. If a green jelly bean is selected from the bag,

  44. math

    The Standard blend of coffee uses 4 oz arabica beans and 12 oz of robusta beans per package; the Deluxe blend uses 10 oz of arabica beans and 6 oz of robusta beans per package. The merchant has 80 lbs. of arabica beans and 90 lbs. of robusta beans

  45. math214

    If you have a jar of 1000 jelly beans and you know that P(blue) =4/5 and P(red) = 1/8, list several things you can say about the beans in the jar

  46. math

    if kate has 8 red, 4 blue and 4 green jelly beans in her pocket, what is the minimum amount of jelly beans she can bring out of her pocket that will contain all colours?..

  47. math

    Mary bought maize and beans from a wholesaler. She then mixed the maize and beans ratio 4:3, she bought the maize as $4 per kg and the beans $2 per kg. if she was to make a profit of 30 %. What should be the selling of price 1 kg of the mixture?

  48. math

    In a bag, there are 10 black plastic chips, 7 yellow, 5 red, and 3 green. Two chips are drawn at random with replacement. Find P(black, then red). 3/5 2/25 2/3 2/5

  49. math again

    You have a bag with 60 black jelly beans and 240 red ones. a) If you draw one jelly bean out of the bag, find the probability that it is black. -------60/300= 1/5 b) If you add 60 black jelly beans to the original bag and draw out a bean, what is the

  50. Probability

    Four red and seven black beans are placed into a bag. If one of the beans is selected at random, determine the odds against the bean being red.

  51. Maths

    Bag A contains 2 white, 1 black and 3 red balls, Bag B contains 3 white, 2 black and 4 red balls and Bag C contains 4 white, 3 black and 2 red balls. One Bag is chosen at random and 2 balls are drawn at random from that Bag. Of the randomly drawn balls

  52. math

    BONUS QUESTION: In a container of beans, there are black, white, and brown beans. The ratio of black to brown is 4 to 9.There are twice as many white as there are black. If there are 16 white beans in the container, how many beans are there in all?

  53. Math

    A bag contains 8 white, 6 black and 4 red discs. They are selected at random and not replaced. What is the probability that there is at least one black disc in the first four discs drawn out of the bag?

  54. math

    danielle has 30 jelly beans and 18 green jelly beans. What is the ratio of yellow jelly beans to greens jelly beans

  55. math

    sally has a bag of mixed lollies.The bag contains toffees,mints,fruit drops,smarties,jelly beans,candies and licorice.Sally allows every one in her class to choose 3 lollies,but they must not choose more than one of each kind.How many different

  56. Math

    Suppose you have 5 marbles in a bag: 3 red and 2 black. If you reach into the bag without looking and randomly pick out two marbles, what is the probability that both marbles are red?

  57. Math

    A barrel of jelly beans stands inside a candy shop. Which of these processes uses statistics to estimate the percentage of strawberry jelly beans that are in the barrel? A. Take a scoop of jelly beans from the barrel; find the percentage of strawberry

  58. math

    A quarter, nickel, and dime were tossed. Above are the possible outcomes. What is the possibility of getting at least two heads? 1/2 7/8 3/8 5/8 In a bag, there are 10 black plastic chips, 7 yellow, 5 red, and 3 green. Two chips are drawn at random with

  59. data management gr.12

    In a bag there are 8 red jelly beans and 7 green jelly beans. The 4 jelly beans are randomly chosen from the bag without replacement. a)create a probability distribution table for choosing red jelly beans b)what is the probability that at least 2 chosen

  60. Math

    In a bag of red and black jellybeans 136 are red jb and the remaining r black jb if 15% of the jellybeans in the bag are black whatis the total number of jelly beans in bag A) 151 B 175 C) 175 D 200 E 906

  61. data management gr.12

    In a bag there are 8 red jelly beans and 7 green jelly beans. The 4 jelly beans are randomly chosen from the bag without replacement. a)create a probability distribution table for choosing red jelly beans b)what is the probability that at least 2 chosen

  62. math

    In a bag there are 8 red jelly beans and 7 green jelly beans. The 4 jelly beans are randomly chosen from the bag without replacement. a)create a probability distribution table for choosing red jelly beans b)what is the probability that at least 2 chosen

  63. Math please help

    Colombian coffee beans cost $5.50/lb while Peruvian coffee beans cost $4.25/lb. We want to mix the beans together so as to produce a 40 lb bag costing $4.60/ lb. How many pounds of each type of beans shouold be used ? Please help and show work

  64. Math!!!

    Jim bought 1520 g of beans. He used all the beans to make 16 bean bags. How many hrams of beans did he use for each bean bag? - equation format please!

  65. Math

    Tory has 4 blue jelly beans, 6 red jelly beans, 5 yellow jelly beans, and 1 green jelly bean in his bag. What fraction of the jelly beans are A)Blue B)Yellow C)Red D)Green

  66. math

    Ms.lee class had to guess how many jelly beans were in a jar. The clues were that exactly half were red ,and that exactly one third were blue.Based on the information provided ,which of the following is not a reasonable number of jelly beans that can be in

  67. math

    ms lee class had to guess how many jelly beans were in a jar. The clues were that exactly half were red ,and that exactly one third were blue.Based on the information provided ,which of the following is not a reasonable no.of jelly beans that can be in the

  68. Math

    You have a jar with 60 jelly beans. You know that 1/3 of the jelly beans are yellow, 1/4 of them are white and the rest is red. You are not allowed to look. How many beans do you have to take out to be absolutely sure to get at least one yellow one? Can

  69. math-Probablity

    Hi, just a few stupid questions about probability. 1. How many different license plates can there be if there is a total of 7 letters (no numbers) (and I'm assuming this has a something to do with permutation. 2. How many different batting line ups can be

  70. math

    in a bag of red and black jellybeans, 136 are red and the remainer are black jellybeans. If 15% of the jellybeans in the bag are black, what is the total number of jellybeans in the bag?

  71. math

    The ratio of red jelly beans to yellow jelly beans in a dish is 2:3. If I eat 3 red jelly beans and 6 yellow ones the ratos is 4:5. How many yellow jelly beans were orginally in the dish?

  72. math

    Barstucks is making a new coffee blend. The company bought 50lbs. of Kona beans at $34.95 per lb. and plans to mix these beans with Columbian beans that sell for $7.99 per lb. wholesale. If Barstucks wants its cost of the blend to be $11.95 per lb., how

  73. math

    sarah has a bag of mixed lollies.T?he bag contains toffees,mints,fruit drops,smarties,jelly beans,candies and licorice.She allows everyone in her class to choose 3 lollies,but they must not choose more than one of each kind.How many different combinations

  74. Math(help please)

    Alexis has a pencil bag containing one of more of each of the following: red pens, blue pens, mechanical pencils, and black markers. He knows that there is a 4% chance he will pull a red pen out of the bag if he chooses randomly. What is the number of

  75. math

    What is the ratio of the green bens to the total number of beans where the number of green beans is 4times more than the number of red beans?

  76. English

    1. The puma is chasing the deer. 2. Do you like rice cake? This rice cake has red beans. Some believe that red beans chase away ghosts and bring good luck. It's just superstition, right? 3. Americans eat turkey on Thanksgiving Day. However,Turkey is a

  77. math

    a company bought 50lb of kona beans at $34.95 per lb. and plans to mix these with colombian beans at $7.99 per lb. wholesale. If they want the blend to be $11.95 per lb, how many lbs of colombian beans should they buy?

  78. Math

    The ratio of red jelly beans to yellow jelly beans in a dish is 3:4. If Greg eats 3 red jelly beans and 6 yellow ones, the ratio is 4:5. How many yellow jelly beans were originally in the dish?

  79. math

    A bag contains 4 red ball 5 black ball and Bag B contains 3 red and 7 black ball . one ball is drawn from bag A and two balls drawn from bag b . find the probability that out of three balls drawn two are black and one is red.

  80. Maths ?

    There are five hundred eighty-eight jelly beans in a bowl. Hector, Michael, and Jolene decide to share the jelly beans equally. How many jelly beans do Hector, Michael, and Jolene each get? Their mother tells them that they cannot eat all the jelly beans

  81. Statistics

    Suppose a bag contains 7 red chips, 8 black chips, and 3 green chips. You draw two chips (without replacement) from the bag. Find the probability that you drew a red chip first and then a black chip second.

  82. conditional probability

    You have two bags of marbles. Bag 1 has 5 red and 6 blue marbles. Bag 2 has 20 green and 5 red marbles. What is the probability of drawing a red marble out of Bag 2, given that you drew a red marble out of Bag 1?

  83. math

    The produce manager receives 5 containers of green beans, each weighing 7 pounds. She divides the total amount of green beans into 3 equal weight portions. What is the weight of the beans in each portion?

  84. math

    The produce manager receives 5 containers of green beans, each weighing 7 pounds. She divides the total amount of green beans into 3 equal-weight portions. What is the weight of the beans in each portion?

  85. math

    Mary bought and beans from a wholesaler. She then mixed the maize and beans ratio 4:3 she bought the maize as $12 per kg and the beans $4 per kg. if she was to make a profit of 30 %. What should be the selling of price 1 kg of the mixture?

  86. math

    Mary bought and beans from a wholesaler. She then mixed the maize and beans ratio 4:3, she bought the maize as $12 per kg and the beans $4 per kg. if she was to make a profit of 30 %. What should be the selling of price 1 kg of the mixture?

  87. math

    The kids can choose 3 sides at the cafeteria, including a. fries, b.carrots, c. macaroni, d. broccoli, e. beans. how many choices they have? and what are the probability that a child is going to pick macaroni, carrots and beans (together)? I was thinking

  88. Math (Probability)

    Hassan has a bag which contains 20 coloured discs. He randomly chose three discs from the bag and found that two were red and one was white. a) Based on this sample, how many of each coloured disc are in the bag? b) Hassan returned the three discs to the

  89. Auburn

    Have a sack of jelly beans-5 different colors-half are red 1/6 green 1/6 yellow 1/12 blue 6 black-how many of each color and how many in all

  90. math

    Mary bought maize and beans from a wholesaler. She then mixed the maize and beans ratio 4:3, she bought the maize as $12 per kg and the beans $4 per kg. if she was to make a profit of 30 %. What should be the selling of price 1 kg of the mixture?

  91. Math

    bill ate 1 jelly bean on sunday, 2 jelly beans on monday and 3 jelly beans on tuesday. if this continues for the rest of the week, how many jelly beans will bill have eaten in all by the end of saturday?

  92. loyla

    A bag contains one black ball and one white ball. Another black ball is put into the same bag and bag is shuffled. The first ball pulled out the bag is a black one. What are the chances of the next ball to be pulled out to be black?

  93. Math

    Denna bought a bag of jelly beans. 1/3 are pink and 1/6 are blue. The rest are green. How many are green?

  94. Math

    Jake ate seven times more jelly beans as Sam. Together they ate 128 jelly beans. How many jelly beans did each person eat?

  95. Science

    When a silvery powdery substance was added to boiling beans,the beans get cooked quicker than normal. what may this be?

  96. math

    a jar of jelly beans contains 33 red, 52 white, 70 yellow ad 85 orange. To the nearest whole percent, what percent of the total jelly beans are orange?

  97. maths-probabilty

    Bag 1 contains 2 white and 3 red balls and bag 2 contains 4 white and 5 red balls. 1 ball is drawn at random from one of the bags and is found to be red. Find the probability that it was drawn from bag 2

  98. Statistics

    There are 100 marbles in a bag. 200people are asked to draw a ball. Each marble drawn is put back into the bag before the next draw. 7 people draw red color marbles. How many red marbles are there in the bag?

  99. Math

    This bag had 35 green, some black and 3 red marbles. Reaching blindfolded, the probability of picking a red is 1/23. How many black marbles are there.

  100. Math

    At the supermarket, you can get 15 cans of beans for $14. How much would it cost for only one can of beans?

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