Each of the following limits represents a derivative me

What are the relative frequencies to the nearest hundredth of the columns of the two-way table?

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.