Mathematics

Mathematics, 23.06.2019 16:30, manuell090203

There are 30 students in a class. the teacher will choose 2 students at random to represent the class at an assembly. how many groups of 2 students can be chosen? a. 870 b. 435 c. 60 d. 15

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Mathematics, 25.06.2019 00:50, jandrew2052

Select the correct answer. twenty students in class a and 20 students in class b were asked how many hours they took to prepare for an exam. the data sets represent their answers. class a: {2, 5, 7, 6, 4, 3, 8, 7, 4, 5, 7, 6, 3, 5, 4, 2, 4, 6, 3, 5} class b: {3, 7, 6, 4, 3, 2, 4, 5, 6, 7, 2, 2, 2, 3, 4, 5, 2, 2, 5, 6} which statement is true for the data sets? a. the mean study time of students in class a is less than students in class b. b. the mean study time of students in class b is less than students in class a. c. the median study time of students in class b is greater than students in class a. d. the range of study time of students in class a is less than students in class b. e. the mean and median study time of students in class a and class b is equal. reset next

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Mathematics, 03.07.2019 20:30, emmareese2022

Select the correct answer.twenty students in class a and 20 students in class b were asked how many hours they took to prepare for an exam. the data sets represent their answers.class a: (2, 5, 7, 6, 4, 3, 8, 7, 4, 5, 7, 6, 3, 5, 4, 2, 4, 6, 3,5)class b: {3, 7, 6, 4, 3, 2, 4, 5, 6, 7, 2, 2, 2, 3, 4, 5, 2, 2, 5, 6)which statement is true for the data sets? a.the mean study time of students in class a is less than students in class b.ob .the mean study time of students in class b is less than students in class a.oc.the median study time of students in class b is greater than students in class a.d.the range of study time of students in class a is less than students in class b.o e.the mean and median study time of students in class a and class b is equal.resetnext

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Mathematics, 19.07.2019 17:30, sadewright21404

There are 21 students in your class. the teacher wants to send 4 students to the library each day. the teacher will choose the students to go to the library at random each day for the first four days from the list of students who have not already gone. what is the probability you will be chosen to go the first day?

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Mathematics, 27.10.2019 13:43, KayBJ2005

There are 30 students in a class. the teacher will choose 2 students at random to represent the class at an assembly. how many groups of 2 students can be chosen?

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