I need help with #6

Question 6 2 pts An elementary school is assessing how many activities in which a parent is involved. The table shows the number of activities a parent of a K-5th grade student is involved in. Number of Activities Probability O 0.035 1 0.074 2 0.197 3 0.320 4 0.374 What is the expected number of activities in which a parent will be involved? Round your answer to three decimal places (like 3.178). Show your work on your scratch paper and number your scratch work with this question number