8th
grade

Mathematics

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accuracy

113

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Anna Hastings

3 years

Mathematics

8th

grade

SOL 8.11 - Probability Practice

Anna Hastings

113
plays

10 questions

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1. Multiple Choice
2 minutes
1 pt
The names of 6 boys and 7 girls are written on cards and placed in a hat. You pick one card, and without replacing it, you pick another. What is the probability of picking 2 cards with girls’ names?
$\frac{7}{13}$
$\frac{42}{156}$
$\frac{7}{26}$
$\frac{7}{149}$
2. Multiple Choice
2 minutes
1 pt
Directions: Select the correct answer(s).

Nelson is learning the difference between independent and dependent probability. Select all scenarios that show an example of dependent probability.
Picking a piece of candy from a bag, eating it, then picking a second piece.
Drawing a card from a deck, replacing it, and then drawing another card.
Spinning a spinner twice.
Selecting two marbles from a bag without replacement.
Rolling a number cube five times.
3. Multiple Choice
5 minutes
1 pt
There are 6 red marbles, 5 green marbles, and 4 yellow marbles in a bag. If Joe picks 2 marbles one after the other without replacement, then what is the probability that both are red in color?
$\frac{2}{5}$
$\frac{1}{21}$
$\frac{4}{25}$
$\frac{1}{7}$
4. Multiple Choice
2 minutes
1 pt
What is the probability of spinning this wheel twice and landing on the green section both times?
$\frac{1}{8}$
$\frac{1}{16}$
$\frac{1}{32}$
$\frac{1}{64}$
5. Multiple Choice
2 minutes
1 pt
TRUE OR FALSE?! Independent probability happens when the probability of the first event does not affect the probability of the second event.
True
False
6. Multiple Choice
2 minutes
1 pt
A regular 6-sided number cube is rolled twice - what is the probability that it lands on a number that is even on the first roll, the a number that is NOT a 6 on the second roll?
$\frac{1}{6}$
$\frac{5}{6}$
$\frac{5}{12}$
$\frac{1}{12}$
7. Multiple Choice
2 minutes
1 pt
What is the probability of spinning a 1 on the spinner and drawing the letter A out of the bag?
$\frac{1}{4}$
$\frac{3}{8}$
$\frac{1}{3}$
$\frac{3}{32}$
8. Multiple Choice
2 minutes
1 pt
INDEPENDENT OR DEPENDENT?!
A pocket contains 3 pennies, 2 nickels, 1 quarter and 4 dimes. What is the probability of randomly choosing a dime, replacing it, and then drawing a penny?
Independent
Dependent
9. Multiple Choice
2 minutes
1 pt
Oscar has a bag of game pieces - what is the probability that he will choose a blue piece, replace it, then choose a yellow piece?
10. Multiple Choice
2 minutes
1 pt
INDEPENDENT OR DEPENDENT?
A bag contains 2 striped cubes, 5 dotted cubes, 5 white cubes and 3 red cubes. What is the probability of drawing two striped cubes in a row, without replacing the first cube drawn?
Independent
Dependent
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SOL 8.11 - Probability Practice

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