some contact lens wearers report problems with dryness in their eyes. a study was conducted to evaluate the effectiveness of a new eye-drop solution to relieve dryness for contact lens wearers. twenty-five volunteers who wore contact lenses agreed to use the new solution for one month. at the end of the month, 36 percent of the volunteers reported that the new solution was effective in relieving dryness. the company that produced the new eye-drop solution concluded that using the new solution is more effective in relieving dryness than using no solution. which of the following best explains why the study does not support such a conclusion?
Answers: 3
SAT, 22.06.2019 15:00
Students at community colleges generally enjoy which of the following benefits? a. availability of lots of on-campus housingb. high tuitionc. selectivity in the admissions processd. fleible class schedules
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SAT, 23.06.2019 04:50
If (a, b) is the solution to the system of equations shown above, and a and b are integers, then what is the value of a+b?
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SAT, 28.06.2019 08:00
Sweater originally priced at $65 is on sale for 15% off.you also have a coupon that takes another $10 off.what percent of the original price do you pay?
Answers: 1
some contact lens wearers report problems with dryness in their eyes. a study was conducted to evalu...
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