Describing probability
How would you describe that chances of picking a red checker piece on a checkers set?
As likely as not
What is the probability of rolling a four on a number cube? Write as a fraction.
1/6
A spinner has eight slices one blue, one red, two yellow, three green, and one purple. What is the probability as a fraction landing on green?
3/8
You toss a coin 12 times and it lands on heads 6 times. What was your experimental probability of getting a heads? (Written as a decimal)
0.5
Simplify: 2x - 5y + 4x + 3y
6x-2y
How would you describe the chances of rolling a 7 on a number cube?
Impossible
What is the probability of getting a red card? Write as a fraction.
1/4
A spinner has eight slices one blue, one red, two yellow, three green, and one purple. What is the probability as fraction of landing on yellow?
1/4
You pick 10 cards from a standard deck of cards and you end up getting 3 hearts, 1 diamond, 4 spades, and 2 clubs. What was your experimental probability of pulling a heart? (Written as a fraction)
3/10
In a room of 30 students, there are 12 girls. What is the probability of picking a boy in the class? Write as a fraction.
3/5
How would you describe the chances of it raining on a fall day?
Likely
What is the probability of drawing a queen card? Write as a fraction.
1/3
In a bag of marbles, there are 14 swirled, 20 solid coloured, and 16 polka dot marbles. What is the probability of grabbing a striped marble? Write as a percent.
0%
Eddy read 20 books, 12 magazines, and 18 newspaper articles last year. Based on this data, what percentage of the material he read is a magazine?
24%
In the fruit salad, there are five different kids of fruit. Forty percent is bananas. 10% is strawberries. Five percent is kiwi. Twenty percent is grapes. 25% is pineapple. What is the probability in percent of eating a grape?
20%
The probability of picking a blue marble out of a bag is 3/8. How would you describe this probability?
Unlikely
What is the probability as a fraction to roll a prime number?
1/2
In a bag of marbles, there are 14 swirled, 20 solid coloured, and 16 polka dot marbles. What is the probability of grabbing a solid coloured marble? Write as a decimal.
0.4
A store owner made a list of the number of greeting cards sold last month. The store sold the following:
167 thank you cards
285 birthday cards
56 blank cards
Based on the experiment, what is the probability that the next card bought is a blank card? (Round to the nearest whole percent)
11%
If a spinner has 5 sections with the colours blue, green, orange, red and yellow. What is the probability of landing on the red or the blue section? (Written as a percent)
40%
How would you describe the chances of choosing a red or a black card from a standard deck of cards?
Certain
What is the probability of not drawing a number four card? Write as a percent.
92%
A spinner has eight slices one blue, one red, two yellow, three green, and one purple. What is the probability as a fraction of not landing on blue or red?
3/4
Adam pulled a a number of coloured marbles from a bag and recorded the results.
Blue: 6
Black: 3
Red: 2
Green: 7
Based on the experimental probability, how many of the next 36 balls should you expect to be green?
14
What is the probability of rolling a 2 and a 3 on a number cube? (Written as a percent)
0%