Probability and Statistics — Test

Question 1

Which events are mutually exclusive? Choose two correct answers.

Revolt · Accepted Answer

landing on a shaded portion and landing on a 3; landing on an unshaded portion and landing on a number less than 2

Question 2

The events "male” and "buys lunch” are not independent because

Revolt · Accepted Answer

cap p times open paren male divides buys lunch close paren is equal to 0 point 4 and cap p times male is equal to 0 point 3 .

Question 3

To the nearest tenth, what is the value of cap p times open paren cap c divides cap y close paren ?

Revolt · Accepted Answer

0 point 5

Question 4

What is the probability that the spinner will land on a number greater than 4 or on a shaded section?

Revolt · Accepted Answer

2 thirds

Question 5

Which combination represents the empty set?

Revolt · Accepted Answer

the intersection of motor and bicycle

Probability and Statistics — Test Answers