Essay
A study on the average minutes spent by students on internet usage is 300 with a standard deviation of 102. Answer the following questions assuming a bell-shaped distribution and using the empirical rule.
a. What percentage of students use internet for more than 402 minutes?
b. What percentage of students use internet for more than 504 minutes?
c. What percentage of students use internet between 198 minutes and 300 minutes?
Correct Answer:
Verified
a. 402 is one standard deviation abo...View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
Correct Answer:
Verified
a. 402 is one standard deviation abo...
View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
Q4: A sample of 13 adult males' heights
Q8: The difference in a variable measured over
Q25: A _ determines how far a particular
Q33: Scores on Ms. Nash's test have a
Q39: Suppose that the average time an
Q42: Below is a histogram for the number
Q43: Below is a histogram for the number
Q45: The act of collecting data that are
Q46: Select the histogram that is moderately skewed
Q56: Compute the mode for the following data.