Applications of Probability — 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

Given that a randomly chosen quadrilateral has four right angles, what is the probability that the quadrilateral also has four equal side lengths? Express your answer in percent form, rounded to the nearest whole percent.

Revolt · Accepted Answer

25 percent

Question 3

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 4

Which statement is true about whether Z and B are independent events?

Revolt · Accepted Answer

Z and B are independent events because P times open paren Z divides B close paren is equal to P times Z .

Applications of Probability — Test Answers

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