+ Answer part b below: The standard deviation is _ activities. Round to one decimal place

This test: 40 poin E Test: Test 2 Question 1 of 10 This question: 4 possible In the following probability distribution, the random variable x represents the number of activities a parent of a 6th- to 8th-grade student is involved in. X 0 2 3 4 P(X) 0.063 0.163 0.308 0.112 0.354 Compute and interpret the mean of the random variable x The mean is activities. (Type an integer or a decimal Do not round.) Time Re . Previous