Mathematics, 17.09.2019 21:00 athenajames1221
Miranda is conducting a poll to determine how many students would attend a students-only school dance if one was held. which sample is most likely to yield a representative sample for the poll?
a. twenty names from each grade pulled blindly from a container filled with the names of the entire student body written on slips of paper
b. every tenth person walking down main street in town at different times of the day
c. all of the students who write into the school newspaper
d. every student from all of miranda’s classes
Answers: 2
Mathematics, 21.06.2019 13:40
Cam bought some used books for $4.95. he paid $0.50 each for some books and $0.35 each for the others. he bought fewer than 8 books at each price. how many books did cam buy?
Answers: 1
Mathematics, 21.06.2019 19:40
Suppose that 3% of all athletes are using the endurance-enhancing hormone epo (you should be able to simply compute the percentage of all athletes that are not using epo). for our purposes, a “positive” test result is one that indicates presence of epo in an athlete’s bloodstream. the probability of a positive result, given the presence of epo is .99. the probability of a negative result, when epo is not present, is .90. what is the probability that a randomly selected athlete tests positive for epo? 0.0297
Answers: 1
Mathematics, 21.06.2019 21:00
Which expression is equivalent to 16 in exponential form? a) 4 Ă— 4 b) 8 Ă— 2 c) 23 d) 24
Answers: 2
Mathematics, 22.06.2019 00:00
Awindow has the shape of a rectangle with a semi circle at the top. find the approximate area of the window using the dimensions shown. 4ft by 8ft
Answers: 1
Miranda is conducting a poll to determine how many students would attend a students-only school danc...
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