Mathematics, 26.11.2019 05:31 tiwaribianca475
It is advertised that the average braking distance for a small car traveling at 70 miles per hour equals 120 feet. a transportation researcher wants to determine if the statement made in the advertisement is false. she randomly test drives 37 small cars at 120 miles per hour and records the braking distance. the sample average braking distance is computed as 111 feet. assume that the population standard deviation is 24 feet.
a. state the null and the alternative hypotheses for the test.
b. calculate the value of the test statistic and the p-value.
c. the p-value is:
d. use α = 0.05 to determine if the average breaking distance differs from 120 feet.
e. repeat the test with the critical value approach.
Answers: 2
Mathematics, 21.06.2019 18:50
Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5
Answers: 1
Mathematics, 21.06.2019 19:30
Asquare has a side that measures 11 units. what is the area of a circle with a circumference that equals the perimeter of the square? use 3.14 for π, and round your answer to the nearest hundredth. 1519.76 units2 379.94 units2 616.56 units2 154.14 units2
Answers: 1
Mathematics, 22.06.2019 00:00
Which of the following will form the composite function?
Answers: 1
It is advertised that the average braking distance for a small car traveling at 70 miles per hour eq...
English, 15.06.2021 15:10
Business, 15.06.2021 15:10
Medicine, 15.06.2021 15:10
Mathematics, 15.06.2021 15:10
Mathematics, 15.06.2021 15:10
Mathematics, 15.06.2021 15:10
Mathematics, 15.06.2021 15:10
Social Studies, 15.06.2021 15:10
English, 15.06.2021 15:10
Computers and Technology, 15.06.2021 15:10
Social Studies, 15.06.2021 15:10