Question

A police officer keeps record of 75 drivers at a stop sign.

They observe 21 people who came to a complete stop, 46
who made a rolling stop, and 8 who did not appear to
brake at all. What is the probability that a randomly
selected driver will come to a complete stop? Write your
answer as a percent?

Answer 1

Explanation

4 and 5)16.97 or 12√2

6)15.59 or 9√3

7)y = 15.59 or 9√3 x =27

8)17.80