Module 4: Probability in Our Daily Lives

Question 1

I flip a fair coin and it lands heads the first 3 times. What will happen in the next 3 flips?

Accepted Answer

There could be 0, 1, 2 or 3 heads.

Question 2

Question will appear below...

Accepted Answer

Donald Trump's Presidential Campaign, Graph of Cumulative Relative Frequency

Question 3

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 4

Which of the following events has the lowest probability?

Accepted Answer

Someone who ignores the question answers it correctly

Question 5

2 statisticians walk into an x-bar. One says to the other, "You're just average."

Accepted Answer

., ., The other one says, that's mean!, .

Question 6

A test for mono accurately concludes a patient does have the condition. What is the result?

Accepted Answer

Correct Positive

Question 7

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 8

Question will appear below...

Accepted Answer

experimental

Question 9

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

Accepted Answer

independent

Question 10

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 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

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

Question 14

Which of the following is an impossible event?

Accepted Answer

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

Question 15

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

Accepted Answer

subjective

Questions 15