Probability Retake Review

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Re-Take Review
Name: _________________
Probability (complete on your own paper with work and sentences)
Probability With a Pair of Number Cubes
1 ) Find the probability of rolling a sum of 7. _______
2 ) Find the probability of rolling a sum of 6. _______
3 ) Find the probability of not rolling a sum of 10. _______
4 ) Find the probability of not rolling a sum of 5. _______
5 ) Find the probability of rolling an odd number on both dice. _______
6 ) Find the probability of rolling a 5 or greater on the first die, and a 4 or greater on the
second die. _______
Probability with Random Numbers
1 ) A number is chosen at random from 1 to 25. Find the probability of selecting an even
number or multiple of 3. ______
2 ) A number is chosen at random from 1 to 25. Find the probability of selecting a
number greater than 23. ______
3 ) A number is chosen at random from 1 to 25. Find the probability of selecting an even
number that is greater than 13. ______
4 ) A number is chosen at random from 1 to 25. Find the probability of selecting an even
number. ______
5 ) Two numbers are chosen at random from 1 to 25. Find the probability of selecting an
even and then an odd. ______
6 ) Two numbers are chosen at random from 1 to 25. Find the probability of selecting a
number greater than 20 and then a number less than 20. ______
Probability with More Compound Events
1) Find the probability of spinning yellow and flipping heads. _________
2) Find the probability of NOT spinning yellow and flipping heads. _________
Probability with Area Models
1) If a dart were randomly thrown at each board above, find the probability of hitting R,
R.
2) If a dart were randomly thrown at each board above, find the probability of hitting W,
B.
3) If a dart were randomly thrown at each board above, find the probability of hitting B,
B.
4) If a dart were randomly thrown at each board above, find the probability of hitting W,
W.
In his sock drawer, Herbie has 3 pairs of black socks, 1 pair of purple socks and 6
pairs of white socks. If he randomly selects his socks, what is the probability of:
1)
Wearing blacks socks on Monday and Tuesday?
2)
Wearing purple socks on Monday and Tuesday?
3)
Wearing white socks Monday through Friday?
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