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3 years ago

PLS HELP I DONT UNDERSTAND :( WILL GIVE BRAINLIEST !!!

Mathematics

2 answers:

vodomira [7]3 years ago

5 0

the answer is c

i already done it

Ksju [112]3 years ago

5 0

Answer:

1/3 would be your answer

Step-by-step explanation:

anyway have a great day

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A box contains 5 red balls, 6 white balls and 9 black balls. Two balls are drawn at

valina [46]

Answer:

$P(Same)=\frac{61}{190}$

Step-by-step explanation:

Given

$Red = 5$

$White = 6$

$Black = 9$

Required

The probability of selecting 2 same colors when the first is not replaced

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$Total = 5 + 6 + 9$

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This is calculated as:

$P(Same)=P(Red\ and\ Red) + P(White\ and\ White) + P(Black\ and\ Black)$

So, we have:

$P(Same)=\frac{n(Red)}{Total} * \frac{n(Red) - 1}{Total - 1} + \frac{n(White)}{Total} * \frac{n(White) - 1}{Total - 1} + \frac{n(Black)}{Total} * \frac{n(Black) - 1}{Total - 1}$