Mathematics, 23.04.2021 17:40 omar2334
Hospital floors: Hospital floors are usually bare tiles instead of carpet. Carpets will decrease noise but might increase germ growth.
To study this, researchers installed carpet in 8 of 16 hospital rooms. They randomly selected the rooms to carpet. The other rooms had bare tiles.
After two weeks of normal use, they collected air samples from the rooms and counted the bacteria in each sample.
To identify the explanatory and response variables, match each of the following with one of the terms on the right. Note - any given term may be used more than once or not at all.
Air samples
[ Choose ] Response variable Not a variable Explanatory variable
Type of floor covering
[ Choose ] Response variable Not a variable Explanatory variable
Hospital rooms
[ Choose ] Response variable Not a variable Explanatory variable
Bacteria count
[ Choose ] Response variable Not a variable Explanatory variable
Answers: 3
Mathematics, 21.06.2019 14:00
Plzzz maths ! quadratic sequences=an^2+c 1) 11,17,27,41,59 2) 7,16,31,52,79 3) 6,18,38,66,102 4) 0,9,24,45,72 5) 0,12,32,60,96
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Part a : solve - vp + 40 < 65 for v . part b : solve 7w - 3r = 15 for r show your work!
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Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)
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Mathematics, 21.06.2019 21:00
Tim open up a new saving account with a $50 deposit and plant to deposit $20 per week into the same account.write an expression to represent the total amount in his savings account.
Answers: 1
Hospital floors: Hospital floors are usually bare tiles instead of carpet. Carpets will decrease noi...
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