subject
Mathematics, 06.06.2020 18:59 leem6

In a study investigating the effect of car speed on accident severity, the vehicle speed at impact was recorded for 5,000 fatal accidents. For these accidents, the mean speed was 46 mph and the standard deviation was 15 mph. A histogram revealed that the vehicle speed distribution was mound shaped and approximately symmetric. (Use the Empirical Rule.) (a) Approximately what percentage of vehicle speeds were between 31 and 61 mph

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 20.06.2019 18:04
4+6x-3x^3 in standard form with explanations because i don’t understand
Answers: 1
question
Mathematics, 21.06.2019 19:30
What is the slope of the line shown below?
Answers: 2
question
Mathematics, 21.06.2019 20:40
Lines a and b are parallel. what is the value of x? -5 -10 -35 -55
Answers: 2
question
Mathematics, 21.06.2019 21:00
Apiling for a high-rise building is pushed by two bulldozers at exactly the same time. one bulldozer exerts a force of 1250 pounds in a westerly direction. the other bulldozer pushes the piling with a force of 2650 pounds in a northerly direction. what is the direction of the resulting force upon the piling, to the nearest degree? a. 65 n of w b. 25 n of w c. 45 n of w d. 35 n of w
Answers: 1
You know the right answer?
In a study investigating the effect of car speed on accident severity, the vehicle speed at impact w...
Questions
question
English, 20.10.2020 20:01
Questions on the website: 13722365