Solution: Let "m" be the number of marbles Santana has.
First he wants to give one-tenth of his marbles to his brother. That is:
He also wants to give 8 more marbles to his brother.
Therefore,
Santana wants to give marbles to his brother
There are 10 playing cards in a bag. 3 of those cards are spades.
1 answer:
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Answer:
Step-by-step explanation:
For the disease having force of mortality µ.
we apply exponential distribution law
probability of dying within 20 years
p( x <20) = = .1
= .9
For the disease having force of mortality 2µ.
we apply exponential distribution law
probability of dying within 20 years
p( x <20) = 1 -
= 1 - ( .9)²
= 1 - .81
= .19
or 19%