Mathematics, 06.11.2020 20:30 kayranicole1
Ava has to attend at least 45 physics classes every semester to earn attendance points. If she can attend 3 classes every week, write an inequality that determines the minimum number of weeks Ava should attend physics classes. PLEASE ANSWER!
Answers: 2
Mathematics, 21.06.2019 18:20
The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%
Answers: 1
Mathematics, 21.06.2019 18:30
Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.
Answers: 1
Mathematics, 22.06.2019 03:30
Sections of prefabricated wood are each 5 1/3 feet long. how long are 7 1/2 sections placed end to end?
Answers: 1
Ava has to attend at least 45 physics classes every semester to earn attendance points. If she can a...
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