Probability

The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing a letter other than “A”? 

• 2/7
• 5/49
• 5/7
• 10/49

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

A bag contains 30 lollies. There are 15 grape, 7 cherry, 3 lemon, 5 strawberry. What is the probability of drawing a lemon lollie?

• 3

• 1/10

• 3/10

• 30%

Tags

CCSS.7.SP.C.7B

P(not A) = 
*Remember to simplify.*

• 6/8
• 3/4
• 2/8
• 1/4

Tags

CCSS.HSS.CP.A.1

A bag has 3 red marbles, 2 blue and 4 yellow. What is the theoretical probability of drawing a red marble?

• 3/10

• 3/9

• 1/9

• 1/3

Tags

CCSS.7.SP.C.7B

The spinner is divided into eight equal parts. Find the theoretical probability of landing on the given section of the spinner.P(white)=

• 1/8
• 5/8
• 7/8
• 3/7

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

Which of the following cannot be the probability of an event?

• 1.5

• $\frac{3}{5}$

• 25%

• 0.3

A coin is tossed twice. The probability of getting both heads is

• $\frac{1}{2}$

• $\frac{1}{3}$

• $\frac{1}{4}$

• 1

Tags

CCSS.HSS.CP.A.1

CCSS.HSS.CP.A.2

CCSS.HSS.CP.B.8

A bag contains 5 black balls, 4 white balls and 3 red balls. If a ball is selected random wise, the probability that it is a black or red ball is

• $\frac{2}{3}$

• $\frac{8}{10}$

• $\frac{7}{12}$

• none of these

Tags

CCSS.HSS.CP.A.1

CCSS.HSS.CP.B.7

A man is known to speak truth 3 out of 4 times. He throws a die and a number other than six comes up. Find the probability that he reports it is a six.

• $\frac{3}{4}$

• $\frac{1}{4}$

• $\frac{1}{2}$

• 1

Tags

CCSS.HSS.CP.A.1

CCSS.HSS.CP.A.3

CCSS.HSS.CP.B.6

The probability of getting exactly two heads in toss of two coins together

• 1/2

• 2/3

• 1/4

• 3/4

Tags

CCSS.HSS.CP.A.1