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This probability distribution shows the
typical grade distribution for a Geometry
course with 35 students.
Grade
A
B
с
D
F
Frequency
5
10
15
3 2
Find the probability that a student earns a
grade of B or C.
p = [?]
Enter a decimal rounded to the nearest hundrenth

Will give brainliest please answer This probability distribution shows the typical grade distribution for a Geometry course with 35 students Grade A B с D F Fre class=

Respuesta :

pyamupom

Answer:

0.71

Step-by-step explanation:

P( b or c) = P(b) + P(c) 0 P(b and c)

P(b) = 10/35 = 0.2857

P(c) = 15/35 = 0.42857142857

10/35 + 15/35 - 0 = 25/35, or 0.71

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