subject
Mathematics, 27.11.2019 04:31 Nickanderson21

Bjork larsen was trying to decide whether to use a newracing wax for cross-country skis. he decided that the wax would beworth the price if he could average less than 55 seconds on acourse he knew well, so he planned to test the wax by racing on thecourse 8 times. a) suppose that he eventually decides not to buy the wax, butit really would lower his average time to below 55 seconds. whatkind of error would he have made? b) his 8 race times were 53.3, 65.9, 50.2, 52.4, 46.5, 57.8,52.2, and 43.2 seconds. should he buy the wax? explain.

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 20:00
Formulate alisha has a number in mind. if she adds three to her number the result is less than five. use this information to write and solve an inequality about alisha's number. then graph the solution set.
Answers: 1
question
Mathematics, 21.06.2019 23:10
Which graph represents the linear function below? y-4= (4/3)(x-2)
Answers: 2
question
Mathematics, 22.06.2019 00:00
Meg constructed triangle poq and then used a compass and straightedge to accurately construct line segment os, as shown in the figure below, which could be the measures of angles pos and angle poq?
Answers: 1
question
Mathematics, 22.06.2019 00:00
The data set represents the ages of players in a chess club. 27, 34, 38, 16, 22, 45, 54, 60. what is the mean absolute deviation of the data set?
Answers: 3
You know the right answer?
Bjork larsen was trying to decide whether to use a newracing wax for cross-country skis. he decided...
Questions
question
Geography, 04.12.2020 22:30
question
Mathematics, 04.12.2020 22:30
question
History, 04.12.2020 22:30