The score on an exam from a certain MAT 112 class, X, is normally distributed with μ=74.2 and σ=8. a) Write the event ”a score equal

Question

The score on an exam from a certain MAT 112 class, X, is normally distributed with μ=74.2 and σ=8.
a) Write the event ”a score equal to 64.2” in terms of X
b) Find the probability of this event.
c) Find the probability that a randomly chosen score is greater than 81.2
d) Find the probability that a randomly chosen score is between 64.2 and 81.2

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Savannah 4 weeks 2021-12-26T11:44:32+00:00 1 Answer 0 views 0

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    2021-12-26T11:45:47+00:00

    Answer:

    im sorry cant help

    Step-by-step explanation:

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45:7+7-4:2-5:5*4+35:2 =? ( )