Roberto's telephone bill lists a call that lasted 18 minutes and cost $1.08. write and solve a multiplication equation to find how much roberto was charged for each minute of the call?

The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.2 days and a standard deviation of 1.7 days. what is the probability of spending more than 2 days in recovery? (round your answer to four decimal places.)