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 sample’s 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. 3,500±confidence. t(0.10,140,12)b. 4,200±confidence. t(0.10,140,12)c. 3,500±confidence. norm(0.10,140,12)d. 4,200±confidence. norm(0.10,140,12)
Answers: 1
Mathematics, 21.06.2019 18:00, amyrose90999
Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?
Answers: 2
Mathematics, 21.06.2019 19:00, munozgiselle
If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9
Answers: 2
Mathematics, 21.06.2019 19:30, genyjoannerubiera
Each cookie sells for $0.50 sam spent $90 on baking supplies and each cookie cost $0.25 to make how many cookies does sam need to sell before making a profit formula: sales> cost
Answers: 1
Amovie theater manager wants to determine whether popcorn sales have increased since the theater swi...
Mathematics, 13.12.2021 18:30
Chemistry, 13.12.2021 18:30
Business, 13.12.2021 18:30