D Question 7 1.5 pts Students completing internships can book meetings of different lengths (either 30 minutes, 60 minutes, or 90 minutes) with their supervisor. 70% of the students book 30-minute meeting, 25% book 60-minute meetings, and 5% book 90-minute meetings. What is the expected length of time (in minutes) for one meeting? Answer to two decimal places as needed. Expected length of one meeting = minutes What is the standard deviation (in minutes) for the distribution of meeting times? Answer to two decimal places as needed. SD for the distribution of meeting times = mins