Mathematics: In a study to determine frequency and dependency of cell-phone usage relative to students in Grade 11 and Grade 12, there were 285 students chosen at random, and the following results were recorded. What is the probability that a student who does not have a cell phone is from grade 11?

In a study to determine frequency and dependency - id13476183, jamilecalderonpalaci

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SuBzErO24

24.06.2021

Mathematics

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shaonaworld

27.12.2021

Mathematics

A negative changing rate in a curve is indicated by the negative gradient (slope). A copy of the graph with a negative gradient that tangent to the curve is shown below. This happen between x=0

and

For which interval is the average rate of change of f(x) negative? a. from x=-4 to x=-1 b. from x=-

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In a study to determine frequency and dependency of cell-phone usage relative to
students in Grade 11 and Grade 12, there
were 285 students
chosen at random, and
the following results were recorded. What is the probability that a student who does not have a cell phone is from grade 11?

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