163719
AssignmentMultiple Choice

Discrete Random Variables – Mean

Question 163719 • NC-Math 4

A popular streaming service surveyed all of the students at a school about the number of TV shows they streamed last Friday night, then recorded the results.Let M = the number of TV shows streamed last Friday night.Interpret the standard deviation of M.

Question illustration
Answer
A
The expected number of TV shows a student streamed would typically be about 1.251 from the mean number of TV shows streamed.
B
The number of TV shows a student streamed would typically vary by about 1.566 TV shows streamed.
C
The number of TV shows a student streamed would typically be about 1.566 from the mean number of TV shows streamed about 68% of the time.
D
The number of TV shows a student streamed would typically be about 1.251 from the mean number of TV shows streamed.