Traveling from your home to schpp;, you normally drive at an average speed of 105 km/h (65 mi/h), and the trip takes 1 h and 50 min. On a Friday afternoon, however, heavy traffic slows you down and you drive the same distance at an average speed of only 67.0 km/h (42 mi/h ). How much longer does the trip take that Friday than the usual trip?

Question: 3 3 2 points The ages of students at a certain university are normally distributed with a mean of 20 and a standard deviation of 1.25 years.

Question: The ages of students at a university are normally distributed with a mean of 20 and standard deviation of 0.5 .

Math; Statistics and Probability; Statistics and Probability questions and answers; 1. The ages of students in a class are normally distributed with a mean of 20 years and a standard deviation of 2.0 years.

Answer to 2.12 School absences: Data collected at elementary. 2.12 School absences: Data collected at elementary schools in DeKalb County, GA suggest that each year roughly 22% of students miss exactly one day of school, 15% miss 2 days, and 26% miss 3 …

2017年1月28日 · Traveling from your home to schpp;, you normally drive at an average speed of 105 km/h (65 mi/h), and the trip takes 1 h and 50 min. On a Friday afternoon, however, heavy traffic slows you down and you drive the same distance at an average speed of only 67.0 km/h (42 mi/h ). How much longer does the trip take that Friday than the usual trip?