Mathematics, 19.05.2021 04:20 anniebear
4) Yesterday a movie theater sold 280 bags of popcorn. A large bag of popcorn costs $4. A
small bag of popcorn costs $1. In all, the movie theater made $610 from popcorn sales. Find
how many bags of each size of popcorn were sold.
Answers: 2
Mathematics, 21.06.2019 18:20, nehaljay1883
The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%
Answers: 1
Mathematics, 22.06.2019 02:50, NetherisIsTheQueen
Aresearcher believes increased perceived control influence the well-being of residents at a nursing home. to test this , she allowed one group of residents to have control over their daily lies, (where to eat etc) . the other group of 5 residents had these deceisions made by staff. the resident's feelings of well-being were measured on a 10 point scale at the end of a one month trial period. is there a difference on well-being?
Answers: 2
4) Yesterday a movie theater sold 280 bags of popcorn. A large bag of popcorn costs $4. A
small bag...
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