Question 9 of 20 (1 point) | Attempt 1 of 3 | View question in a popup 5.2 Section Exercise 7 Fitness Machine A fitness center bought a new exercise machine called the Mountain Climber. They decided to keep track of how many people used the machine over a 3-hour period. Here X is the number of people who used the machine. Ed X 2 3 4 P(X) 0.4 0.2 0.1 0.2 0.1 olo Send data to Excel Part 1 of 3 Find the mean. Round your answer to one decimal place as needed. Mean: H = 1.4 Part: 1 / 3 Part 2 of 3 Find the variance. Round your answer to one decimal place as needed. Variance: o