## Problem 1174

If there are where multiple-choice questions on an exam, each having four possible answers, how many different sequences of answers are there?   Solution:-   If any one of k…

## Problem 1172

Complete the sentence below. If the radius of a circle is r and the length if the arc subtended by a center angle is also r, then the measure of…

## Problem 1171

Complete the sentence below. An angle θ is in ____________if its vertex is at the origin of a rectangular coordinate system and its initial side coincides with the positive x-axis.…

## Problem 1170

Complete the following sentence. If a particle has a speed of r feet per second and travels a distance d (in feet) in time (in seconds), then d = ______________.…

## Problem 1169

What is the formula for the circumference C of a circle of radius r? What is the formula for area A of a circle of a radius r?   Solution:-…

## Problem 1168

Find P(B∩E) directly from the table.   A B C Total D 0.13 0.02 0.05 0.20 E 0.37 0.28 0.15 0.80 Total 0.50 0.30 0.20 1.00   Solution:-   If…

## Problem 1167

A pair dice is rolled. What is the probability of getting a sum of 8?   Solution:-   To find the probability of an event, denoted P(E), you need to…

## Problem 1166

If the probability is 0.81 that a candidate wins the election, what is the probability that he loss?   Solution:-   Suppose that we divide a final sample space into…

## Problem 1165

A single card is drawn from a standard 52-cards deck. Let R be the event that the card drawn is red, and let F be the event that the card…

## Problem 1164

Is the selection a permutation, a combination, or neither? A group of 10 friends sits in the same row in a movie theater.   Solution:-   Use the definition of…