find the probability that a student obtained less than 20 percent in the science test

Question

find the probability that a student obtained less than 20 percent in the science test

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Gianna 3 months 2021-10-15T16:15:55+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-10-15T16:17:05+00:00

    Step-by-step explanation:

    Given :

    Total number of students = 90

    1)

    Number of students obtained less than 20 marks are 7 members

    Probability less than 20 marks = 7/90

    2)

    Number of students obtained 60 marks or above are

    15 + 8 = 23 members

    Probability 60 marks or above = 23/90 .

    \bold{Answer: (1) \: 7/90 \: \: (2) \: 23/90}Answer:(1)7/90(2)23/90

    0
    2021-10-15T16:17:34+00:00

    Answer:

    …………………

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