Basic Probability
If a die is rolled one time, find the probability of getting a number greater than 4
What is 1/3 or .3333
If one card is drawn from a deck of cards, find the probability of getting a 3 on a die or a tails on a coin?
2/3
What is the probability of rolling a 5 on a die and heads on a coin?
1/12
What type of value is in the middle of a normal distribution (bell curve)?
mean or median
f(x)=5/(x-2)
Find the vertical asymptote.
x=2
If one card is drawn from a deck of cards, find the probability of getting a diamond (there are 13 diamonds out of 52)
What is 1/4 or .25
If a die is rolled one time, find the probability of getting a number greater than 3 or an odd number?
5/6
Without replacement, what is the probability of randomly selecting a blue marble and then a red marble? There are 5 blue and 5 red.
1/4
What does standard deviation mean in your own words?
Average distance from the mean
f(x)= (x-5)^2+4
What is the vertex?
(5,4)
If two dice are rolled one time, find the probability of getting doubles
What is 1/6 or .1667
What is the probability of getting heads three times in a row when flipping a coin three times?
1/8
There are 3 shirts, 4 shorts, and 5 hats. What is the probability of randomly purchasing a hat, a shirt, and then a hat?
.045
What is P(x > mean)
50%
What is the domain of the cube root of 2x
all real numbers
If two dice are rolled one time, find the probability of getting a sum greater than 9
What is 1/6 or .1667
At a convention there are 7 math teachers, 5 computer science teachers, 3 statistics teachers and 7 science teachers. If an instructor is selected at random, find the probability that a science or statistics teachers is chosen.
What is 5/11 or .4545
A flashlight has 6 batteries, 2 of which are defective. What is the probability of randomly selecting a defective battery and then an ineffective battery without replacement?
.067
What is P(x> mean + 2 standard deviations)
.025
What is sin 330?
-1/2
The probability of winning is 60%. What is the probability of losing three times in a row?
.064
At a particular school with 200 male students 58 play football, 40 play basketball, and 8 play both. What is the probability that a randomly selected male student plays neither sport?
What is 0.55
It is reported that 72% of working women use their computers at work. What is the probability that five randomly selected women are all using their computers at work?
What is .193
Mean 33
Standard deviation 4
Probability between 33 and 45?
.4985
Find sec 135
- root 2