Use the range rule of thumb to estimate the standard deviation. Round results to the nearest tenth. 1) The race speeds for the top eight cars in a 200-mile race are listed below. 1) 181.0 180.6 189.2 182.2 175.6 180.0 177.9 181.8 Use the 68-95-99.7 rule to solve the problem. 2) The time it take Claudia to drive to work is normally distributed with a mean of 46 2) minutes and a standard deviation of 5 minutes. What percentage of the time will it take her less than 61 minutes to drive to work? 3) Scores on a test are normally distributed with a mean of 102 and a standard deviation of 3) 16. What percentage of scores are greater than 134? 4) At one college, GPA's are normally distributed with a mean of 2.9 and a standard deviation 4) of 0.4. What percentage of students at the college have a GPA between 2.5 and 3.3?
Please print out part 2 of the assignment and submit it into Canvas by the due date assigned.
SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.
Use the
1) The race speeds for the top eight cars in a 200-mile race are listed below. 1) 181.0 180.6 189.2 182.2 175.6 180.0 177.9 181.8
Use the
2) The time it take Claudia to drive to work is
minutes and a standard deviation of 5 minutes. What percentage of the time will it take her less than 61 minutes to drive to work?
3) Scores on a test are normally distributed with a mean of 102 and a standard deviation of 3) 16. What percentage of scores are greater than 134?
4) At one college, GPA's are normally distributed with a mean of 2.9 and a standard deviation 4) of 0.4. What percentage of students at the college have a GPA between 2.5 and 3.3?
Step by step
Solved in 6 steps with 4 images
