- Dice roll Q's: in 4 tosses, prob of one 4, two odds, not 5,
- Regression Analysis: want to learn how to get data formula
- At least two people roll the same number?
- Combinations: need step-by-step solutions for 'combo' probs
- Probability: drawing 3 cards; tossing 3 coins and getting...
- confidence intervals: mean of 82, stand. dev. of 15; find...
- stats: collect data; then state purpose, define pop., ....
- What is the prob of answering any 3 questions correctly?
- Ants and Vertices of 3-D Figures
- On what percentage of the days were there problems?
- Standard Deviation: n = 2500, mu = 50, sigma = 10
- If 56 heads in 100 tosses, find prob that next toss is tails
- Trading Card Game: Probability of Rares!
- Ratio Distribution Question: C= (1/a)*exp(x/a), D= (1/b)*...
- BIG Dice Roll!
- Hypothesis Testing: number of homeruns for Natl Lg leader
- Confidence Intervals: strikeouts by Am. League leader
- Card Problem probability urgent
- Cards: prob both cards, drawn w/o replacement, are black
- Determine design matrix for regression, estimators for alpha
- probability: Assume fair 6-sided die rolled 6 times....
- Probability and Life Insurance: life-span and expected loss
- Testing Null Hypothesis
- 86 of 773 corn kernels didn't pop: find 90% conf. int., ....
- Population means
- Soccer Prediction Problem
- Need help w/ hypothesis, decision rule, z test stat, and....
- Probability of event: Should she drop English course?
- stats: find estimators; 2-sided 90% conf. int for mu1, mu2;
- Chi square independence test (nationality & age of children)
- Random Real Number Uniformly Distributed Between [0,1]
- different ways of rabbit hopping up flight of 10 steps
- What proportion of tires will fail at 74000 mi or less? etc.
- 2 of 5 chosen so 1st gets treat, 2nd gets root beer....
- given X:M(t)=e^(t^2), find p(x=2), mean of X, var of -2x,...
- Probability using confidence interval (cust. satisfaction)
- probability of rolling 5 octahedral dice, getting sum < 23
- Probability Q: 48 of 120 applicants are women
- distributing r identical balls into n distinct boxes w/ at l
- Checking if I am on right track for def. of "association"
- given monthly totals, find average length of stay
- Averages: find score needed for average to end up at 40
- Statistical Investigation: find percent in favor, against
- describe event w/ prob. 1/12; find poss. area of triangle;
- probability problem? how many ways could sitters be arranged
- Statistics: find vote percentage, given areas, samples, etc
- need some help calculating mortality w.r.t. whole population
- prob. plane's alternators fail; lifetime prob. of fatal acci
- Correlation and Significance - is this approach valid?
- Pair t test: record temps at 1-hr intervals w/ model, thermo
- Probability (right handed and plays cello)?
- Conditional Probability...Special quarters?
- Binomial Distribution: Multiple Choice Test
- Binomial Distribution: Railway Driver Survey abt strike act.
- Dominant Thumb Experiment
- probabilities and statistics: 31 flavors, 10 toppings
- how many 5-digit codes if no 0's, no repeated digits
- probabilities and statistics: red die, blue die are tossed
- probabilities and statistics: tickets numbered 1 - 50 in box
- probabilities and statistics: 4 yellow, 8 blue marbles
- probabilities and statistics: find P(heart or 6) w/ standard
- Normal Probability Distributions (eggs & hatching times)
- Coefficient of correlation 'r', given tabular data for X, Y
- Alex has 0.7 chance of winning race A, 0.6 of winning B.
- Tough combinatorics problem
- group of 5 w/ at least 3 women formed from 12 women, 8 men
- probablity family has children that are all boys
- Probability of winning four-digit state lottery
- Paired T-Test: is it appropriate tool for curriculum study?
- Probability of choosing health care.
- Permutations: 4-letter words using letters from CALCULATE
- Probabilities of getting a golden coin??
- [SPLIT, MOVED] use Venn diagram to find elements in each region
- Probability of selecting person who plays tennis or eats out
- of 37, 18 neither overweight nor lawyers; 13 are lawyers,...
- conditional probability? (patients paying with Medicare)
- Proving formula for deviation scores, using sums, equation
- how many different sums can be made from penny, nickel, dime
- how many who complete w/ all others can be at tournament?
- probability that at least 2 must be selected to find a blank
- Trouble In Stat: requesting advice regarding sites, texts
- given mean 280, standard dev. 20, how good is score of 350?
- 5# summary, find % btween 2 of them
- Combinations: in how many ways can 6 books be selected?
- Creating a dial chart or circular calculator
- Among 9 presidential candidates at a date....
- Probability distribution
- num. of ways to get all-red five-card hand from 52-card deck
- Evaluate a Combination
- Probability
- Word Problem
- Conditional Probability
- Question I don't understand on probablility
- Creating an equation to model a curve
- Z-Scores: beyond what scores do most extreme 5% lie?
- Random variable: A bag contains six marbles, of which four are red and two are blue.
- Probability question
- help with a tough probability
- Linear Programming: Graphical Methods for Minimization
- J has 30% chance of winning gold, 40% for silver, 10% for bo