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  1. 2 dice rolled, sample space given: which mut. exclusive?
  2. w white balls, b black balls; 1 chosen randomly, returned w/
  3. Curve 1 has st. dev. 1, Curve 2 has st. dev. of 5: add curve
  4. chance random choice of 10 from 50 contains no overlap w/
  5. if 200 calls, find prob. that 150 or more have ans. machine
  6. Confusing and challenging Independence Problem
  7. 2 people chosen from 80 (40 couples): find prob. married
  8. covariance of sets of scores is 0.73; find r between 2 sets
  9. in urn: R red balls, B blue balls, R + B = N, N always even
  10. 5 wht, 3 blk balls in urn; 2 randomly draw. Find prob that
  11. 5-number summary for list; find variance from histogram
  12. study-time norm. dist., 22% of 75 spend 47 min; Aaron spent
  13. Fermat's Combinatorial Theorem: prove, using comb. argument
  14. Poisson Distribution w/ mean 3.6 - demand for car hire
  15. determine prob. of getting 8 heads after tossing 10 coins
  16. Poisson Distribution - number of vehicles at a toll bridge
  17. CD-player plays random tracks from random CDs. Suppose that
  18. induction & recursion: some collection of n sit in n consec.
  19. using moments to find mean, variance, and SD
  20. Regression, explaination please.
  21. form 4-letter words from MONKEY, using each letter only once
  22. Engineers presented 3-point, single-link robotic system
  23. 1 card of 52 drawn, die rolled. find prob. of red card or 1
  24. Number of classes (need to make 6-column f/d table)
  25. Assume deck contains 4 A, 5 face, 13 non-face cards; 3 drawn
  26. given 58% pay late fees, find prob. that, in random 20 accts
  27. 6 wht, 4 grn, 2 yellow marbles; 3 drawn w/o replacement
  28. how many different pizzas can be made with 10 toppings
  29. 30 students, 6 parents: number of 10-student groups, number
  30. assuming z-scores, mean 0, st. dev. 1, P(z>c), find c
  31. Expected Value of carnival game: $.50 to play, $0.25 back if
  32. Expected Value: 4 quarters, 4 dimes, 2 nickels; 1 coin drawn
  33. die rolled, 'success' is 1,2; prob. exactly 1 succ. in 9 rol
  34. 55% attendance: find prob. he attends >= 8 of 10 classes
  35. 2 of 36 stealing; find prob. neither found in checking 4
  36. help with problem solving
  37. Probability of the Expectation Sum of Die
  38. Tree Diagram problems - what am i doing wrong?
  39. 3-Circle Venn Diag: 600 seniors, 23 in band, 21 in sports,
  40. On the football field, there are 11 footballers, having....
  41. Based on the scatterplot, which fcn best models the relation
  42. balls numbered 1 to 52, 6 balls chosen: if buying only 1 tic
  43. list of race times: if st. dev. is 22.4, how many times are
  44. events A,C disjoint, A,B independent, P(A) = 0.5,P(B) = 0.3,
  45. 20 dials, each w/ 60 settings: find total num. combinations
  46. Combinations: nine friends, three couples, three single, w/
  47. Just 1 probability question - please respond (hw due tonight
  48. binomial distribution: 10 Qs, each w/ 5 poss. answers; find
  49. what is the expected payment? mathematical expectation
  50. find the probability of at least one defective bulb
  51. Population Growth: Make estimate for doubling time of two
  52. Throwing two dice: find prob. sum div. by 3 if div. by 2;
  53. I need help with this probability/proportion question
  54. Expected value from points in triangle
  55. Please check my work
  56. finding non linear function between two values
  57. poisson distribution and central limit theorem
  58. probability that both alternators fail during flight
  59. normal distribution: sample mean 129.36, std. dev. 1.96
  60. Marbles: 10 marbles in box, colors decided by coin toss
  61. weight has norm. dist. w/ mean 33, std. dev. 0.7: find x
  62. Probability Robert will default on million-dollar loan
  63. Correlation? (looking for way to find single closest point)
  64. mean rate is $10/hr, stand. dev. of 2; sample of 20 is $12/h
  65. number of passwords if: 2-6 chars, 1st char letter & last is
  66. Combos of 5 appetizers, 10 entrees, 3 drinks, 6 desserts
  67. Probability: if 60% buy, find prob 1st sale made to 4th cust
  68. Product probability: prob. random customer got fewer than
  69. odds of x happening is 1 in 1000: find odds of x >=1 in 1000
  70. Minimum needed to ensure at least 1 red, 1 green, 1 blue
  71. The secretary question word problem
  72. Statistics on playing cards
  73. Number of possible outfits and arrangements
  74. regression analysis from 200 observations (600 values)
  75. Telecom produces sets in 2 plants... (please check ans)
  76. Shuffle 12 face cards; select 3 from pile; find number of
  77. 95% confidence interval for mean of ad-areas on 20 pages
  78. Deriving log-likelihood functions
  79. given athlete has 60% chance of joining. find min. number of
  80. sampling distributions: use density curve to find prob. that
  81. rolling dice: if I have higher value, I win; if not, you win
  82. [SPLIT] Find prob he takes Train C, Bus 3 on way home, if
  83. convergence in probability (provide detail solution for me)
  84. Cumulative Probability: prob. rider waits >= 50 min for bus
  85. lottery probability question
  86. 2-player game: taking turns choosing from pile of counters
  87. Markov Chains: Using P = [[ 0.3 0.7 ][ 0.6 0.4 ]], find prob
  88. Categorial Data Analysis: seat belts and child injuries
  89. permutation with repetition? (5-digit ID: prob of >= 3 6s)
  90. 100 evenly-spaced pts on circle w/ r=1; pick 3 pts to form
  91. experiment with biased coin: coin w/ P(H)=0.7 tossed 3 times
  92. Poisson Process Question
  93. Standard deviation of a frequency table on a TI 83 Plus
  94. Probability of Poker Hands and Conditional Probability
  95. What is the Observed Test Statistic in this problem
  96. N cities on a straight highway, where to put the airport
  97. State Vectors: Markov chain, high and low volumes
  98. Balanced Block Design when dealing with an ANOVA table?
  99. What would be the X and what would be the Mu in this prob?
  100. Rectangular distribution (easy question, confusing answer)