The typical college freshman spends an average of $\mu$ = 150 minutes per day, with a standard deviation of $\sigma$ = 50 minutes, on social media. The distribution of time on social media is known to be Normal. The median of the distribution is:
A)75 minutes.
B)150 minutes.
C)180 minutes.
D)240 minutes.

Question

Quizplus · Accepted Answer

Since the distribution is known to be normal and we have the mean and standard deviation, we can use the formula:
Median = Mean = F1F1F1S1F1F1F10 = 150 minutes
Therefore, the median of the distribution is 150 minutes, which is answer choice B.

The Typical College Freshman Spends an Average Of μ\muμ = 150 Minutes Per Day, with a Standard Deviation Of 150

The Typical College Freshman Spends an Average Of $\mu$ = 150 Minutes Per Day, with a Standard Deviation Of 150