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Sindrei [870]
2 years ago
11

This probability distribution shows the typical grade distribution for a Geometry course with 35 students. Find the probability

that a student earns a grade of A, B, or C. Enter a decimal rounded to the nearest hundredth.

Mathematics
2 answers:
iris [78.8K]2 years ago
5 0

Answer:

.86

Step-by-step explanation:

There are 5+10+15 = 30 students that earned and A, B or C

P( A, B or C) = number of students that earned and A ,B , C / total

                    =30/35

                    =.857142857

   Rounded to the nearest hundredth

                   =.86

iris [78.8K]2 years ago
5 0
  • Total marks=5+10+15+3+2=36
  • No of students earned A,B,C=5+10+15=30

\\ \rm\Rrightarrow P(A,B,C)

\\ \rm\Rrightarrow \dfrac{30}{36}

\\ \rm\Rrightarrow 0.85

\\ \rm\Rrightarrow 0.86

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