Answer:
0.75
Step-by-step explanation:
The probability of P(not event a) is equal to 1-p(event A)
I think it's 37.5 . I'm pretty sure cause I think you divide 3/8 . Then you go 2 to the right for your answer with the decimal. Not sure but . I think I'm right.
So,

Write in prime factored form.

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