Question

For a social studies project, Herman counted the number of classrooms in each school in the city. Number of classrooms Number of schools 33 1 48 4 81 5 X is the number of classrooms that a randomly chosen school has. What is the expected value of X? Write your nswer as a decimal.

Answer 1

Answer:

Explanations:

Let the number of classrooms be N(x)

Let the number of school