To make 1 1/2 dozen muffins, a recipe uses 3 1/2 cups of flour. how many cups of flour are needed for every dozen muffins made? enter your answer in the box as a mixed number in simplest form

The length of time it takes to find a parking space at 9 a.m. follows a normal distribution with a mean of 5 minutes and a standard deviation of 2 minutes. find the probability that it takes at least 8 minutes to find a parking space. (round your answer to four decimal places.)