Mathematics

Mathematics, 05.08.2019 00:00, babyari18

In class of 25 students 3 students failed. what is the probability that student from this class will pass (not fail)

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Mathematics, 03.07.2019 11:30, nanakwameyeb

When a class took a math test, 15% of the class failed, 25% made some mistakes (but didn’t fail), and 24 students got perfect scores. how many students were in the class?

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Mathematics, 23.07.2019 17:50, dndndndnxmnc

Jack is a student in bluenose high school. he noticed that a lot of the students in his math class were also in his chemistry class. in fact, of the 60 students in his grade, 28 students were in his math class, 32 students were in his chemistry class, and 15 students were in both his math class and his chemistry class. he decided to calculate what the probability was of selecting a student at random who was either in his math class or his chemistry class, but not both. draw a venn diagram and jack with his calculation. calculate this probability. a. 1/2 b. 1/3 c. 1/4 d. 1/5

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Mathematics, 31.07.2019 17:30, mmassaro19

When a class took a math test, 15% of the class failed, 25% made some mistakes (but didn’t fail), and 24 students got perfect scores. how many students were in the class?

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Chemistry, 10.10.2019 04:10, haleysmith3456

In your classroom there are 45 students, assume that none of them is born on february 29, and hence consider only common years (365 days) (do not consider leap years). 1- take a student randomly from the class, what is the probability that he have the same birthday as yours? 2- what is the probability that there is at least one student in the class having the same birthday as yours? 3-what is the probability that there is no repeated birthday date in the class all the 45 birthdays being different)? comment on the value you found 4- the instructor decides to nominate 5 students randomly to deliver a presentation next class, • how many groups of five students) are possible? • what is the probability that you are among the selected students?

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