Question

marks of 80 students are. 8 students get marks between 0 to 20 , 16 students get mark between 20 to 40 , 40 students get marks between 40 to 60 , 10 students get marks between 60 to 80 and 6 students get marks above 80. find P(E) that students get : (1) less than 40 marks. (2) less than 60 marks.​

Answer 1

Answer:

hello

here your answer

Step-by-step explanation:

(1) P(<40) =16/80=1/5

(2) P(<60) =40/80=1/2

its your answer

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