Question 1

Find the probability of getting 2 Heads when two fair coins are tossed?

Accepted Answer

A) 1 
B) 2/3 
C) ½ 
D) ¼ 
E) ¾ 
A) 1 
B) 2/3 
C) ½ 
D) ¼ 
E) ¾ D

Question 2

A certain company keeps a list of 50 employees and their annual salaries. When the salary of the very highly paid president is added to this list, which of the following statistics is most likely to be approximately the same or nearly the same for the original list and the new list?

Accepted Answer

A) The highest salary 
B) The range 
C) The mean 
D) The median 
E) The standard deviation 
A) The highest salary 
B) The range 
C) The mean 
D) The median 
E) The standard deviation D

Question 3

A card is picked up at random from a pack of 52 cards. Find the probability that it is a king or queen.

Accepted Answer

A) 2/13 
B) 3/13 
C) 7/52 
D) 1/13 
A) 2/13 
B) 3/13 
C) 7/52 
D) 1/13 A

Question 4

A box of candy contains 11 pieces of gummy candy, 13 pieces of gum, 8 truffles, and 9 mints. Sue randomly grabs a piece of gum from the bag. What is the probability that the next piece of candy taken will be a piece of gum or a piece of gummy candy?

Accepted Answer

A) 1/2 
B) 12/21 
C) 50/50 
D) 23/40 
A) 1/2 
B) 12/21 
C) 50/50 
D) 23/40

Question 5

A box contains tickets numbered 01 to 100. What is the probability that a ticket selected at random will have number with a tenth digit of 5?

Accepted Answer

A) 1/5 
B) 9/10 
C) 1/10 
D) ½ 
A) 1/5 
B) 9/10 
C) 1/10 
D) ½

Question 6

In a jar of candy there are 127 red candies, 92 orange ones, 108 yellow ones, 77 green ones, and 13 blue candies. If a person reaches into the jar without looking and grabs one piece of candy, what is the probability of that piece being red?

Accepted Answer

A) 25% 
B) 35% 
C) 20% 
D) 30% 
A) 25% 
B) 35% 
C) 20% 
D) 30%

Question 7

A certain company keeps a list of 50 employees and their annual salaries. When the salary of the very highly paid president is added to this list, which of the following statistics is most likely to be approximately the same or nearly the same for the original list and the new list?

Accepted Answer

A) The highest salary 
B) The range 
C) The mean 
D) The median 
E) The standard deviation 
A) The highest salary 
B) The range 
C) The mean 
D) The median 
E) The standard deviation

Exam 39: (AP) Statistics: Math

Find the probability of getting 2 Heads when two fair coins are tossed?

A certain company keeps a list of 50 employees and their annual salaries. When the salary of the very highly paid president is added to this list, which of the following statistics is most likely to be approximately the same or nearly the same for the original list and the new list?

A card is picked up at random from a pack of 52 cards. Find the probability that it is a king or queen.

A box of candy contains 11 pieces of gummy candy, 13 pieces of gum, 8 truffles, and 9 mints. Sue randomly grabs a piece of gum from the bag. What is the probability that the next piece of candy taken will be a piece of gum or a piece of gummy candy?

A box contains tickets numbered 01 to 100. What is the probability that a ticket selected at random will have number with a tenth digit of 5?

In a jar of candy there are 127 red candies, 92 orange ones, 108 yellow ones, 77 green ones, and 13 blue candies. If a person reaches into the jar without looking and grabs one piece of candy, what is the probability of that piece being red?

A certain company keeps a list of 50 employees and their annual salaries. When the salary of the very highly paid president is added to this list, which of the following statistics is most likely to be approximately the same or nearly the same for the original list and the new list?

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