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Montano1993 [528]
3 years ago
6

There are eight boxes. Each box holds one sweater. There are 3 blue, 2 brown, 1 green, and 2 red sweaters. What is the probabili

ty of first selecting a brown sweater and then a green sweater?
A) 1/28

B) 3/56

C) 3/15

D) 1
Mathematics
2 answers:
Reil [10]3 years ago
8 0

3 + 2 + 1 + 2 = 8, which is the amount of sweaters.
The probability of a brown sweater is 2 / 8 = 0.25
And the probability of a green sweater is 1 / 8 = 0.125.

Multiply the two probabilities together to get the probability of choosing brown then green:
0.25 * 0.125 = 0.03125.

To convert a decimal to fraction, you multiply the numerator and denominator, or in this case \frac{0.03125}{1} by 1000 which gets \frac{31.25}{1000}

Which can be simplified to:
\frac{1}{32}.

Hope this helps.
Olegator [25]3 years ago
6 0

Answer:

it is 1/28 they are wrong

Step-by-step explanation:

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Given:

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Substituting these values in (i), we get

P(\text{Drive to school }|\text{ Senior})=\dfrac{\dfrac{25}{100}}{\dfrac{35}{100}}

P(\text{Drive to school }|\text{ Senior})=\dfrac{25}{35}

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