AP Statistics: Probability Ch 6-1 and 6-2
MC QUESTIONS:
Name:
1.
Two dice are rolled and the sum is recorded. Which of the following events has a probability equal to 1? a.
Sum = 5 or 9 b.
Sum > 8 c.
Sum = 13 d.
Sum < 13 e.
None of the above
2.
The probability of spinning red on a spinner is 1/3. The probability of spinning not red is: a.
0 b.
1/3 c.
2/3 d.
1 e.
Cannot be determined from the information given
3.
Which of the following events are mutually exclusive to each other? i.
A = sum of two dice is 7 ii.
B = flip of a coin is a head iii.
C= sum of two dice is 11 a.
A and B b.
B and C c.
A and C d.
A, B, and C e.
No pair is mutually exclusive
4.
Which is true about independent events? a.
P(A|B) = 0 b.
P(A|B)= A c.
P(A|B)= B d.
P(A|B) = 1 e.
None of these are true
Answer the following questions:
1.
A coin is tossed 9 times. a.
What is the total number of possible outcomes? b.
How many elements are in the subset “6 H and 3T”? c.
Find P(exactly 6 H and 3T) on a fair coin:

2.
A card is drawn from a regular deck of 52 cards. Find: a.
P(heart) b.
P(face c ) c.
P(number is divisible by 3)
3.
On a single throw of a pair of fair dice, find P(sum is a 5, 6, or 7)
4.
Find the probability of obtaining a 5 on each of 2 successive rolls of a balanced die.
5.
A pair of dice is tossed twice; find the probability of obtaining a sum total of 5 on both tosses.
6.
A penny is tossed three times. a.
List the sample space: b.
Find P(two heads and 1 tail)
7.
Use the table to answer the following questions:
Age under 65
Age 65 and over
Test done?
Yes No
0.321 0.124
0.365 0.190 a.
Is this a legitimate probability distribution? b.
P(tested) c.
P(not tested) d.
Are events A (patient was 65 or older) and B (test was done) independent?