Mathematics, 13.12.2019 13:31 QueenBlumple4443
The owners of prim's pizza are concerned that many of their customers are starting to purchase pizza from the pizza palace because of its new pizza, which has fewer calories than prim's. a random sample of 100 medium pizzas from prim's found a mean of 240 calories and a standard deviation of 8.6 calories. a random sample of 100 medium pizzas from the pizza palace found a mean of 210 calories and a standard deviation of 5.7 calories. which of the following formulas gives a 95% confidence interval for the difference in mean calories between a prim's pizza medium pizza and a medium pizza from the pizza palace?
30 plus or minus 1.96 times square root of 8.6 over 100 plus 5.7 over 100
30 plus or minus 1.96 times square root of 8.6 squared over 99 plus 5.7 squared over 99
30 plus or minus 1.98 times square root of 8.6 over 100 plus 5.7 over 100
30 plus or minus 1.98 times square root of 8.6 squared over 100 plus 5.7 squared over 100
Answers: 3
Mathematics, 21.06.2019 15:30
The local farm is advertising a special on fresh picked peaches. the farm charges $4.25 to pick your own peck of peaches and $3.50 for each additional peck you pick. write an equation for the total cost of peaches in terms of the number of pecks. deine your variables. how much does it cost to pick 3 pecks of peaches?
Answers: 3
Mathematics, 21.06.2019 17:20
Which of the following pairs of functions are inverses of each other? o a. f(x)=x72+8 and 96-9 = 7/x+2) =8 o b. f(x)= 6(x - 2)+3 and g(x) - *#2-3 o c. $4) = 5(2)-3 and 90- 4*: 73 o d. f(x) = 6)-12 and 910 โ +12
Answers: 1
Mathematics, 21.06.2019 19:30
Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, โ3) and (โ6, โ3). where would the upper vertices be on the grid?
Answers: 1
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