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WorksheetsProbability Review (Formative)
Total questions: 40
Worksheet time: 3hrs 30mins
What is the probability of NOT rolling an EVEN number on a 6-sided number cube?
1 in 2
1 in 3
1 in 6
5 in 6
Lynette made the following diagram. Which list shows all the possible outcomes, according to her tree diagram?
C, O, G
A, B, C, O, G
AB, COG
AC, AO, AG, BC, BO, BG
Tech Group Corporation accepts 1 of every 20 applicants. What is the probability of NOT being accepted for a job at Tech Group?
1%
5%
19%
95%
A spinner has 3 equal sections that are red, blue, and white. What is the probability of NOT landing on a red?
1/4
2/3
1/5
1/2
A bag contains 2 silver coins, 2 gold coins, 6 copper coins, and 5 brass coins. A coin is chosen without looking. What is the probability that it will be gold?
11/15
6/15
4/15
2/15
A local book store kept records of the types of books bought by its customers. The table below shows the results of the survey.
Based on the data, if the store sells 2,250 books next week, how many of the books will be satire or horror?
372
219
591
543
At Mr. Gonzalez's convenience store, the probability of a student purchasing a cola is 11/20. About how many students would purchase a cola if 280 students come in during one day?
130 students
178 students
126 students
154 students
A bag contains 10 green tiles, 15 red tiles, and 25 blue tiles. Jane randomly draws a tile, records the color and replaces the tile. If she does this 75 times, how many times should she expect to draw a green tile?
15
25
18
Not here
The lead scorer on the basketball team has a 4/5 probability of getting a basket. If he attempted 30 baskets, about how many baskets would he make?
15
12
24
Not here
In a bag of 40 jelly beans , there are 5 black jelly beans. How many do you predict will be black in a bag of 160 jelly beans?
40
10
20
50
George picked some apples at the apple orchard. For every 16 apples he picked, 2 had a worm in it. How many apples can he predict to have a worm if he picks 64 apples?
4
8
16
24
A local bookstore conducted a survey to determine what type of books its customers prefer. The table above shows the results of the survey. Based on the survey, if the bookstore plans to order 400 new books, about how many drama mystery books should they order?
100 books
120 books
80 books
150 books
If a coin is tossed 72 times, how many times do you expect to toss a head?
36
72
24
12
A jar contains 15 green marbles, 25 red marbles, and 10 blue marbles. A student drew a marble, recorded the color and replaced it in the jar before drawing another marble. Which statement is true?
The probability of drawing a green marble is likely.
The probability of NOT drawing a green marble is unlikely.
The probability of drawing a red marble is unlikely.
The probability of drawing a blue marble is unlikely.
A numbered cube labeled 1-6 is tossed two times. What is the probability of tossing a 2 on the first time and then tossing an odd number the second time?
1/6
1/12
3/6
1/2
A jar has 24 green lollipops, 13 blue lollipops, 28 red lollipops and 15 purple lollipops. If Michelle picks two lollipops at random, what is the probability that Michelle will select a red lollipop and then a purple lollipop?
21/320
28/80
1/2
15/80
A bag contains 6 red, 5 blue and 4 yellow marbles. Two marbles are drawn, but the first marble drawn is not replaced. What is the probability of selecting a red marble and then a blue marble?
2/15
6/15
1/7
5/15
Jeremiah has a coin and a 6-sided die. What is the probability of Jeremiah flipping heads on a coin and rolling a 5 on a die?
1/2
1/6
2/12
1/12
A box contains 20 balls: 10 are yellow, 6 are red and 4 are black. What is the probability of selecting a yellow ball and then a red ball?
1/2
3/10
3/20
10/20
*Remember to simplify.*
4 yellow, 6 orange, 3 green, 5 blue, 2 brown
What is the probability of selecting a brown candy? Write in simplest form.
What is the probability of spinning and landing on a blue or purple section?
What is the probability that a dart will land in an orange section?
What is the probability that a randomly selected attraction at this amusement park will be an arcade?
Noriko packed five different sweaters for her weekend vacation. If she randomly selects one sweater to wear each day, what is the probability that she will select the brown sweater on Friday, the orange sweater on Saturday, and the pink sweater on Sunday? She will NOT wear each sweater more than one.
1/60
1/120
3/5
1/5
S Q U A R E?
Find the number of ways to form a team of three players for a game out of a group of 10 individuals.
There are 18 people running in a cross country race. How many possible ways are there to place the runners in first, second, and third?
324
4896
816
54
A shelf can hold 7 trophies. How many ways can the trophies be arranged if there are 10 trophies available?
60,480
10,000,000
604,800
100
