Mathematics, 27.02.2020 22:44 jhinny
The average gasoline price of one of the major oil companies in Europe has been $1.25 per liter. Recently, the company has undertaken several efficiency measures in order to reduce prices. Management is interested in determining whether their efficiency measures have actually reduced prices. A random sample of 49 of their gas stations is selected and the average price is determined to be $1.20 per liter. Furthermore, assume that the standard deviation of the population () is $0.14.
1. At the 0.05 level of confidence, what is the correct statistical decision?
a. Reject the null hypothesis
b. Fail to reject the null hypotheses
c. Accept the null hypothesis
d. Cannot make a statistical decision with this information
The p-value for this problem is:
a. 0.4938
b. 0.0062
c. 0.0124
d. 0.05
Answers: 2
Mathematics, 21.06.2019 15:30
Maria donates a fixed amount, a, to a charity each month. if she donates $300 in 12 months, what is the equation for a? a. a + 300 = 12 b. a × 300 = 12 c. a × 12 = 300 d. a + 12 = 300 e. a + 32 = 100
Answers: 3
Mathematics, 21.06.2019 17:30
Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?
Answers: 1
Mathematics, 21.06.2019 20:00
Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?
Answers: 1
Mathematics, 21.06.2019 22:30
Aflagpole broke in a storm. it was originally 8 1 81 feet tall. 2 8 28 feet are still sticking straight out of the ground, where it snapped, but the remaining piece has hinged over and touches the ground some distance away. how far away is the end of the pole from the base of the pole along the ground?
Answers: 1
The average gasoline price of one of the major oil companies in Europe has been $1.25 per liter. Rec...
English, 30.06.2019 07:40
English, 30.06.2019 07:40
English, 30.06.2019 07:40
Mathematics, 30.06.2019 07:40
Spanish, 30.06.2019 07:40
Mathematics, 30.06.2019 07:40
Physics, 30.06.2019 07:40
English, 30.06.2019 07:40
Mathematics, 30.06.2019 07:40
Biology, 30.06.2019 07:40