Mathematics, 27.09.2019 04:00 jonestmoney381
Amovie theater manager wants to determine whether popcorn sales have increased since the theater switched from using "butter-flavored topping" to real butter. historically the average popcorn revenue per weekend day was approximately $3,500. after the theater started using real butter, the manager randomly sampled 12 weekend days and calculated the sampleās summary statistics. the average revenue per weekend day in the sample was approximately $4,200 with a standard deviation of $140. select the function that would correctly calculate the 90% range of likely sample means. a. 3,500Ā±confidence. t(0.10,140,12)b. 4,200Ā±confidence. t(0.10,140,12)c. 3,500Ā±confidence. norm(0.10,140,12)d. 4,200Ā±confidence. norm(0.10,140,12)
Answers: 1
Mathematics, 21.06.2019 20:00
Parabolas y=ā2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.
Answers: 1
Mathematics, 21.06.2019 23:00
If 3 3/4 lb. of candy costs 20.25 how much would 1lb. of candy cost
Answers: 1
Mathematics, 21.06.2019 23:30
Sara has 2 2/3 cup taco meat. she needs 1/6 cup to make one taco. how many tacos can sara make with the taco meat she has?
Answers: 1
Amovie theater manager wants to determine whether popcorn sales have increased since the theater swi...
Mathematics, 05.07.2019 14:00
Social Studies, 05.07.2019 14:00
History, 05.07.2019 14:00
Mathematics, 05.07.2019 14:00
Mathematics, 05.07.2019 14:00
Mathematics, 05.07.2019 14:00
Mathematics, 05.07.2019 14:00
Social Studies, 05.07.2019 14:00