Step-by-step explanation:
working g and everything is above
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The school that DeShawn goes to is selling tickets to the annual dance competition. On the first day of ticket sales, the school
1 answer:
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We're told that
where the last fact is due to the law of total probability:
so that and
are complementary.
By definition of conditional probability, we have
We make use of the addition rule and complementary probabilities to rewrite this as
By the law of total probability,
and substituting this into gives
Answer:
y =
Step-by-step explanation:
Given
Ry - wy = t ← factor out y from each term on the left side
y(R - w) = t ( divide both sides by (R - w ) )
y =