Mathematics, 14.01.2020 19:31, ste78
Why is it now a challenge to use phone numbers for drawing a simple random sample?
a. some people only have cellphones
b. some people have cellphones and landlines, so could be called twice
c. phone numbers are now portable so area codes do not always correspond to location
d. all of the above
Answers: 3
Mathematics, 21.06.2019 16:50, charlotte67
Which of the following points is collinear with (-2,1) and (0,3)
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Mathematics, 21.06.2019 17:00, danjan9084
Aplane flies around trip to philadelphia it flies to philadelphia at 220 miles per hour and back home with a tailwind at 280 miles per hour if the total trip takes 6.5 hours how many miles does the plane fly round trip
Answers: 1
Mathematics, 21.06.2019 17:30, nurmukhammada
Can someone me with this problem i don't understand i need
Answers: 2
Why is it now a challenge to use phone numbers for drawing a simple random sample?
a....
a....
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