Mathematics
Mathematics, 14.07.2019 09:30, Echo009

*50 pts, will mark brainliest* wellness pharmaceutical company claims that their new children's vitamin reduces the number of days that a child is sick in a year. to test this claim, a consumer reporter, elizabeth, decided to conduct an experiment. she randomly selected 500 children and administered the wellness children's vitamin to 250 of the children. elizabeth then administered a placebo to the remaining 250 children. after observing the children for one year, elizabeth reported that, on average, children who received the wellness children's vitamin were sick three days more than the average number of days a child is sick in a year. elizabeth also found that, on average, the children who received the placebo were sick one day less than the average number of days a child is sick in a year. what can be concluded from elizabeth's report? a. wellness pharmaceutical company's claim is true; therefore, it can be concluded that the wellness children's vitamin reduces the number of days a child is sick in a year. b. wellness pharmaceutical company's claim is false; therefore, it can be concluded that the wellness children's vitamin reduces the number of days a child is sick in a year. c. wellness pharmaceutical company's claim is true; therefore, it can be concluded that the wellness children's vitamin does not reduce the number of days a child is sick in a year. d. wellness pharmaceutical company's claim is false; therefore, it can be concluded that the wellness children's vitamin does not reduce the number of days a child is sick in a year.

answer
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 19:30, ely093
The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28
Answers: 1
image
Mathematics, 21.06.2019 20:50, tra10money
An object is translated by (x + 4, y - 2). if one point in the image has the coordinates (5, -3), what would be the coordinates of its pre-image? (9, -5) (1, -5) (9, -1) (1, -1)
Answers: 1
image
Mathematics, 22.06.2019 01:50, QueensQueens
Lesson 9-3 for items 8-10, a square is drawn in the coordinate plane, with vertices as shown in the diagram. then the square is reflected across the x-axis. -2 4 8. the function that describes the reflection is (x, y) - a. (x, y-3). b. (x, y-6). c. (-x, y). d. (x,- y).
Answers: 2
image
Mathematics, 22.06.2019 02:00, hibbo579
Currently, the largest cruise ship has a tonnage of 225,282 gross tons (gt). which of the following is a reasonable estimate for the tonnage of this cruise ship? a. 2 × 10^5 gt b. 2 × 10^6 gt c. 2 × 10^-5 gt d. 2 × 10^-6 gt
Answers: 1
Do you know the correct answer?
*50 pts, will mark brainliest* wellness pharmaceutical company claims that their new children's vita...

Questions in other subjects:

Konu
Social Studies, 01.07.2019 14:40
Konu
History, 01.07.2019 14:40