Module 3: Randomness and Probability

Question 1

If P(A) is 0.35, then the complement of P(A) is

Accepted Answer

0.65

Question 2

Question will appear below...

Accepted Answer

False

Question 3

The collection of all possible outcomes from a random phenomenon is referred to as the

Accepted Answer

sample space

Question 4

Each attempt of a random phenomenon that generates an outcome is called a(n)

Accepted Answer

trial

Question 5

Which of the following is an example of events that are disjoint, but not complementary?

Accepted Answer

Going out to a party versus staying home

Question 6

Consider two events A and B. P(A) = 0.5, P(B) = 0.4, and P(A and B) = 0.2

Accepted Answer

No

Question 7

You're tossing a fair coin! (Question ahead...)

Accepted Answer

50%

Question 8

Consider two events A and B. P(A) = 0.5, P(B) = 0.4, and P(A and B) = 0.2

Accepted Answer

0.7

Question 9

Which of the following is an impossible event?

Accepted Answer

Get 100% on the exam if you don't know how to use JMP

Question 10

The probability determined from the long run relative frequency of an event's occurrence is

Accepted Answer

empirical or experimental probability

Question 11

Attending class and not attending class are examples of what?

Accepted Answer

all of the above

Question 12

Consider two events A and B. P(A) = 0.5, P(B) = 0.4, and P(A and B) = 0.2

Accepted Answer

Yes

Question 13

You see gray clouds & conclude there's a 75% chance of rain. This is what type of probability?

Accepted Answer

subjective or personal

Question 14

Consider two events A and B. P(A) = 0.5, P(B) = 0.4, and P(A and B) = 0.2

Accepted Answer

0.5

Questions 14