Asked by crystal
A jar contains 12 marbles, 5 of which are blue and 7 of which are red. If 4 marbles are
chosen at random and without replacement, what is the probability of selecting 3 blue ones and 1 red
one?
chosen at random and without replacement, what is the probability of selecting 3 blue ones and 1 red
one?
Answers
Answered by
crystal
A delivery truck must make stops in eight different cities, designated by the first letter in
the name of the city: A, B, C, D, E, F, G, and H. If the order in which the truck visits the eight locations
is chosen randomly, what is the probability that it will visit them in alphabetical order?
the name of the city: A, B, C, D, E, F, G, and H. If the order in which the truck visits the eight locations
is chosen randomly, what is the probability that it will visit them in alphabetical order?
Answered by
PsyDAG
First blue = 5/12
Second blue = 4/11
Third blue = 3/10
Red = 7/9
The probability that all/both events occur is found by multiplying the probabilities of the individual events.
Second blue = 4/11
Third blue = 3/10
Red = 7/9
The probability that all/both events occur is found by multiplying the probabilities of the individual events.
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