Which of the following is not a subset of {1, 2, 3}? {0} {1, 2, 3} Ø
1 answer:
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Namely, how much is 2 and 1/2 of 2 and 3/8 then, well is just their product, let's first convert them both from mixed to "improper" and proceed.
Okay, here we have this:
Considering the provided information, we are going to calculate the requested probability, so we obtain the following:
So to calculate the probability of the conjunction of two events we will substitute in the following formula:
Replacing:
P(wearing brown shoes or tennis shoes U sneakers)=(30+58-8)/100
P(wearing brown shoes or tennis shoes U sneakers)=80/100
P(wearing brown shoes or tennis shoes U sneakers)=0.8
Finally we obtain that the probability that a randomly selected teacher is wearing brown shoes or tennis shoes/sneakers is 0.80.