Mathematics, 11.12.2019 20:31 quincytonia
The head of public safety notices that the average driving speed at a particular intersection averages μ = 35 mph with a standard deviation of σ = 7.5 mph. after a school speed limit sign of 20 mph is placed at the intersection, the first 40 cars travel past at an average speed of 32 mph. using the .01 significance level, was there a significant change in driving speed?
a. use the five steps of hypothesis testing (report results in apa format).
b. sketch the distributions involved.
c. figure the confidence limits for the 99% confidence interval.
Answers: 1
Mathematics, 21.06.2019 16:30
You are remodeling your kitchen. you’ve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles
Answers: 3
Mathematics, 21.06.2019 18:30
Agraphic designer created a logo on eight and a half by 11 inch paper. in order to be placed on a business card, the logo needs to be one and 7/10 inches by 2 and 1/5 in. what is the scale factor of the dilation
Answers: 1
Mathematics, 21.06.2019 22:00
Which of the following is an example of conditional probability
Answers: 3
The head of public safety notices that the average driving speed at a particular intersection averag...
Computers and Technology, 08.11.2021 14:00
History, 08.11.2021 14:00
Business, 08.11.2021 14:00
Mathematics, 08.11.2021 14:00
Social Studies, 08.11.2021 14:00
Geography, 08.11.2021 14:00
Computers and Technology, 08.11.2021 14:00
English, 08.11.2021 14:00
History, 08.11.2021 14:00
Social Studies, 08.11.2021 14:00
Mathematics, 08.11.2021 14:00