Mathematics, 09.03.2021 03:00 anthonyhaywood
A "Gallup poll" is a national public opinion poll run by Gallup, Inc. According to the company's website, a typical sample size for a phone-based Gallup poll is 1000 randomly-selected adults, and poll results are said to be representative of the opinions of all Americans within a margin of error of ±4 percentage points. What methods do you think Gallup, Inc. must use to ensure true random selection of all 1000 phone participants? Give at least 3 methods.
Answers: 3
Mathematics, 21.06.2019 12:50, Kaylinne1181
The table shows a pattern of exponents. what is the pattern as the exponents decrease?
Answers: 3
Mathematics, 21.06.2019 13:00, nicolescaggs
There is a line with slope 1/a going through the point (a, a²). find the equation of the line perpendicular to this line at this point. (don’t let this problem intimidate you! solve the problem as you would if i’d given you specific values. just use variables instead.)
Answers: 2
Mathematics, 21.06.2019 18:00, dlaskey646
The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.
Answers: 1
A "Gallup poll" is a national public opinion poll run by Gallup, Inc. According to the company's web...
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