Elementary Statistics: A Step-by-Step Approach with Formula Card 9th Edition

a. $\frac{19}{50}$ b. $\frac{31}{50}$ c. $\frac{37}{50}$
a. 60 or 70 miles per hour There are 19 states whose speed limit is 60 or 70 miles per hour, the probability here is $p=\frac{19}{50}$ b. Greater than 65 miles per hour There are 31 states whose speed limit is greater than 65 miles per hour, so the probability is $p=\frac{31}{50}$ c. 70 miles per hour or less There are 37 states whose speed limit is 70 miles per hour or less, the probability of choosing such a state is $p=\frac{37}{50}$