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  1. Standard Normal Distribution: If a set of observations is di
  2. Normal distribution: Find the approximate value of constant
  3. two six-sided dice are rolled; find prob. that they are both
  4. probability and percentages: 35% of people on the beach are
  5. Probability question --> Gaussian Random Variables
  6. Binomial Distribution
  7. Statistics: A claim is made that average grade is 78.3.
  8. Residuals: What is the equation to calculate the residual?
  9. Stats: machine produced 1" bolts with variance of 0.000
  10. Confidence Levels: If the governor election were held today,
  11. Conditional Probability: A family has three children, each
  12. continuous random variable question
  13. Card Probability Problem
  14. fun way of learning...Normal distribution
  15. guidance w/ statistical analysis of heights, body parts
  16. Least Squares regression questions
  17. Normal Probability Distributions:Completely stumped
  18. Use normal distribution to approximate desired probability
  19. normal distribution problem: Suppose that SAT scores among
  20. please help w/ 'In Yahtzee, five dice are thrown. Show...'
  21. please check ans: drawing cards / prevelence of genes
  22. Pick measurement scale: nominal, ordinal, interval, or ratio
  23. Presentation for normal distribution help please
  24. fit data to a "HORIZONTAL" line, not a ordinary st
  25. prove arithmetic-geometric mean inequality for n = 3
  26. inequality: sqrt(xy)/z + sqrt(yz)/x + sqrt(xz)/y >= 3
  27. probability that both modems selected are substandard
  28. probability formula used to find expected value of ticket
  29. Statistics to find variance
  30. Very Confused with Stats Allocation problems.
  31. combinations: A store sells 8 styles of jacket. The jackets
  32. combinations: A contractor needs to hire 5 painters. If ther
  33. probability: Ten thousand raffle tickets are sold, and there
  34. A local bank reports that 70% of its customers maintain a ch
  35. Determine the 70th percentile for IQ scores (mu=100, strd de
  36. The mean lifetime of a battery is 60 months, with a standard
  37. Find -z and z such that 96% of the area under the standard n
  38. 52% of adults say chocolate chip is their favorite cookie.
  39. freshmen, sophomores and an advisor
  40. Standard Deviation questions
  41. Help w/ Stats: significant difference; confidence intervals
  42. Help with probability (the birthday problem)
  43. need help w/ 'Discuss design of faculty sample...'
  44. Confidence Intervals
  45. Mean Q: State null and alternative hypotheses for testing if
  46. Help with probability
  47. Opening a new restaurant
  48. Probability Question
  49. Z-Score
  50. [SPLIT] z-scores of middle 70%, top 3%, bottom 4%
  51. Need help w/ ' determine if treatment has any effect'
  52. Two sample hypothesis of dependent samples using the t dist
  53. Probability Q: find margin of error, stand. dev., mean, etc.
  54. Help with 2 diff types of problems
  55. probability that both marbles drawn will be white
  56. How many combinations of puppies can he choose?
  57. Picking uniform colors: how many schemes are possible?
  58. Probability random variables
  59. expected value of winning Big 4 lottery w/ bet of $100
  60. Find "a" and "z" for P(z>a) = 0.6789
  61. probability that weight is between 2.18 and 2.22 oz
  62. probability of face card and queen card
  63. Induction: prove that f^n(x) = (-1)^n e^(-x)(x - n) for all
  64. confidence interval (need help)
  65. find prob. of rolling exactly four 2's in five rolls of die
  66. statistics HW: A multiple-choice text consists of 30 questio
  67. Confidence intervals using mean
  68. margin of error
  69. normal distr. w/ mu = 500, sigma = 110; find prob. that
  70. Card probabilities
  71. stats and probability
  72. Math Contest: find value of 1^2-2^2+3^2-4^2+...-(2006)^2+(20
  73. Grade
  74. Probability Question Test a claim
  75. Probilibty Question a Study
  76. A robin williams Probability question
  77. Dice
  78. Probabilitys I know how to use the calculator not formulas
  79. uncorrelated t and correlated t test
  80. Perform a one-way ANOVA on the data below....
  81. need help with statistics worksheet
  82. Hypothesis prob: A soft-drink machine is 'out of control' if
  83. Probability function question
  84. Show if X is a binomial random variable
  85. using Venn diagram to find percentages drinking each beverag
  86. statistics: do an analysis using a nondirectional test
  87. DJIA & the price of a random stock
  88. Normal Dist. Q: The amount of soft drink in plastic bottles
  89. Normal Dist. Q: Assume that the weights of quarters are....
  90. Normal Distribution Q: The finish times of racers are....
  91. Binomial Q: A test consists of 10 true-or-false questions...
  92. Expected Value Q: A 28-year-old man pays $208 for a one-year
  93. The mean length of time required to earn bachelor's degree
  94. An airline estimates that 85% of people booked on their flig
  95. Probability ?
  96. geometric probability
  97. Probability: A lot of 300 with 2% defective. Find the proba
  98. Lumberjack Analysis
  99. probability: 27 black balls and 3 red balls.
  100. need help with pascal's triangle and binomial distribution