Mathematics, 23.01.2020 19:31 reddustVA
Question 6 of 10
2 points
suppose mybook sent out 2100 surveys. which of these numbers of surveys
being returned would prevent nonresponse bias?
o oo
o a. 190
o b. 950
o c. 21
o d. 2100
Answers: 3
Mathematics, 21.06.2019 20:00
The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?
Answers: 2
Mathematics, 21.06.2019 23:00
Afamily went out to dinner and their bill was $113.if they want to leave a 19% tip, how much should they leave.
Answers: 2
Mathematics, 21.06.2019 23:00
The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z
Answers: 2
Question 6 of 10
2 points
suppose mybook sent out 2100 surveys. which of these numbers o...
2 points
suppose mybook sent out 2100 surveys. which of these numbers o...
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