The length of a phone conversation is normally distributed with a mean of 4 minutes and a standard deviation of .6 minutes. what is the probability that a conversation lasts longer than 5 minutes?
a. 0.04746
b. 0.45254
c. 0.54746
d. 0.95254

When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. if you have a multiple-unit rate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.

Band c because if a graph has 3 negative parts and only 1 positive part it would be able to go in between the positive and negitive