Show:
Questions
Responses
Print
3.5+3.6
3.8
4.1+4.2
4.3
4.4
100
If you know that A has occurred, what is the probability of A not occurring. What is the conditional in the form P(X|Y)?
What is P(A^c|A)?
100
The number of sample points in event A / number of sample points in experiment =
What is P(A)?
100
The total (sum of all probabilities) probability of continuous random variables is:
What is infinity?
100
Does the mean typically represent population or sample?
What is population?
100
If P(S) = .3 what is P(F) in percentile?
What is 70%?
200
This is the formula for this conditional probablility: P(F|A^c)
What is P(F and A^c) / P(A^c)?
200
3 buses need to be filled for a HS field trip; 20 students for bus 1 and another 10 students for bus 2 and 3. How many ways can we will these 3 buses?
What is 1800 ways?
200
The difference in reaction time to the same stimulus before and after training is this type of random variable.
What is continuous?
200
Given the following: X = 1 2 4 10; p(1) = .2, p(2) = .4, p(4) = .2, p(10) = .2 What is mu?
What is 3.8?
200
If all X's lie in the interval [0, 10], P(X <= 7) is equivalent to?
What is 1 - p(8) + p(9) + p(10) or P(x<=10) - P(X<=7)?
300
These are the two phrases, covered in class, that hint to a conditional probability:
What is "given" and "if you know"?
300
How many sample points in this experiment: A block with 4 sides (4 shapes on each side, circle, triangle, square and rectangle) is tossed 6 times.
What is 4096?
300
How many "X's" will there be an experiment where you toss a coin 3 times and observing the number of tails.
What is 4?
300
sigma(xp(x)) is the expected value of a discrete x, true of false.
What is true?
300
In the following formula: p(x) = (n x)p^xq^n-x; q represents what?
What is probability of failure?
400
Using the multiplicative rule, this is the formula for: P(E and F)
What is P(E)P(F|E) (Also, P(F)P(E|F))?
400
N!/ (N-n)! is the formula for which counting rule. Also, 0! = ?
What is Permutation, 1?
400
The change received for paying a bill is this type of random variable.
What is discrete?
400
sigma((x-u)^2)(p(x)) is the formula for what?
What is variance of discrete x?
400
In the following formula: p(x) = (n x)p^xq^n-x; x represents what?
What is # of successes in n trails?
500
If two events are not dependent, and P(A) = .2 and P(B) = .5, P(A and B) = ?
What is .1?
500
This is the notation for which counting rule: ( N ) ( n ) Is order important?
What is Combination, no?
500
sigma(P(X)) / 2 = ?
What is .5?
500
What is wrong with the following table: X 2 1 3 0 5 p(x) .1 .2 .3 .4 .1
What is sigma p(x) > 1.
500
If we toss a fair dice 3 times and the probability of landing a "3" is 20%, let X = the number 3 on the up side. Is X binomial? Why or why not?
What is no, while fair, X, n, etc. There are more than 2 possible outcomes on each trial.