Likelihood of an event
Johnny picks a snickers bar out of a bag filled with twix bars.
Impossible
Theoretically, what is the probability the spinner will land on an N?
2/6 = 1/3
You roll a fair six-sided die twice. The first roll shows a five and the second roll shows a six.
1/36
A jewelry store sells gold and platinum rings. Each ring is fitted with a ruby, sapphire, emerald, or diamond gemstone. Find the number of possible outcomes in the sample space.
8
Factor the following expression: 4xy-24y
4y(x-6)
The Philadelphia Eagles choose heads during the coin toss
As likely as not (neither unlikely nor likely)
Based on the experiment, what is the probability of the spinner landing on an N?
24/100 = 6/25
There are eight shirts in your closet, four blue and four green. You randomly select one to wear on Monday and then a different one on Tuesday. You wear blue shirts both days
3/14
Eight rooms in a house need to be painted. Each room can be painted white or yellow. Find the number of possible outcomes
256
Which of the following represents an equation:
A. 8x-10
B. x2+6x+8
C. 12x+5= -10
D. 7x+9x2+11x3
C
Picking a card with a vowel on it from a box of cards in which each letter of the alphabet is written on a card.
unlikely
Theoretically, if the spinner is spun 250 times, how many times would you expect it to not land on a W?
208
Steve reaches into a bag with 5 red marbles, 3 yellow marbles, and 2 green marbles, and randomly selects one. Then, he puts the marble back, and Sam reaches into the same bag and randomly selects a marble. What is the probability that both guys selected a yellow marble?
9/100
If Amber rolls a dice 30 times, how many of these would you predict had rolls greater than 3?
15
What is the solution for the following equation:
3(2x-8)=-21
1/2
The chance of a thunderstorm tomorrow is 28% from 2pm to 5pm
unlikely
Based on this experiment, if the spinner is spun 250 times, how many times would you expect it to not land on W?
220
A bowl contains 4 tangerines and 5 clementines. John randomly selects on piece of fruit, and then Pam randomly selects one of the remaining pieces of fruit. What is the probability that John selects a tangerine and Pam selects a clementine?
5/18
On a spinning wheel from numbers 1 through 12, the spinner is spun 50 times. How many times would you expect the pointer to land on an odd number?
25
What is the solution of the following equation
10x - 12 = 8x + 28
x=20
Likelihood of landing on an even number on a spinner from 1 to 16.
as likely as not
A jar contains 12 pink, 8 yellow, 6 blue, and 10 green jelly beans. If a jelly bean is chosen at random, find each probability as a fraction in simplest form.
1. P(yellow)
2. P(pink or blue)
3. P(not green)
4. P(yellow and pink)
1. 2/9
2. 1/2
3. 13/18
4. 0
A bag contains 3 red marbles, 7 white marbles, and 5 blue marbles. You draw 3 marbles, replacing each one before drawing the next. What is the probability of drawing a red, then a blue, and then a white marble?
7/225
At MAMS, the probability of a girl having blonde hair is 8/40. If there are 350 girls at MAMS, how many of them should have blonde hair.
70
In a jar of marbles there are 4 green, 2 yellow, 3 red, and 1 blue. What is the probability that at random you will draw a yellow marble?
1/5