The cost of a pen at the office supply store is $2.65. the school store sells the pen for $3.45. How much does the school store markup the pen? Find the percent increase. 0.80/ 2.65=%

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.)