Asked by Lo
A box contains 6 red balls, 4 white balls, and 5 green balls. If three balls are drawn in succession without being replaced, what is the probability that they are drawn in the order red, white, green?
A
x
8/225
B
x
4/91
C
x
12/445
D
x
1/225
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A card is pulled from a well shuffled deck of standard playing cards and is not put back in the deck. A second card is drawn from the deck. What is the probability that a spade was drawn both times?
A
x
Independent; 1/16
B
x
Dependent; 1/16
C
x
Independent; 1/17
D
x
Dependent; 1/17
A
x
8/225
B
x
4/91
C
x
12/445
D
x
1/225
&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&
A card is pulled from a well shuffled deck of standard playing cards and is not put back in the deck. A second card is drawn from the deck. What is the probability that a spade was drawn both times?
A
x
Independent; 1/16
B
x
Dependent; 1/16
C
x
Independent; 1/17
D
x
Dependent; 1/17
Answers
Answered by
Reiny
1st question:
prob = (6/15)(4/14)(5/13) = 4/91
2nd problem:
prob = (13/52)(12/51) = 1/17
prob = (6/15)(4/14)(5/13) = 4/91
2nd problem:
prob = (13/52)(12/51) = 1/17
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