3 years ago

Help? please tysvm!!!

Mathematics

1 answer:

trapecia [35]3 years ago

6 0

Answer:

Step-by-step explanation:

It's the mean, I hope this helps! :)

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There are 12 red marbles and 8 green marbles in a bag. What is the probability of selecting a red

madam [21]

Answer:

The probability of selecting a red marble, not replacing it, and then selecting a green marble from the bag is 24/95

Step-by-step explanation:

Number of red marbles = 12

Number of green marbles = 8

Total number of marbles = 12+8 = 20

Probability of selecting red marble = $\frac{12}{20}$

Since it is the case of no replacement

Remaining marbles = 20-1 = 19

Number of red marbles = 12-1=11

Number of green marbles = 8

Probability of selecting green marble = $\frac{8}{19}$

So, the probability of selecting a red marble, not replacing it, and then selecting a green marble from the bag = $\frac{12}{20} \times \frac{8}{19}=\frac{24}{95}$

Hence the probability of selecting a red marble, not replacing it, and then selecting a green marble from the bag is 24/95

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vlabodo [156]

Food and Drug Administration.

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3 years ago

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cluponka [151]

Answer:

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Step-by-step explanation:

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3 years ago

15 minutes into decimal

prohojiy [21]

the answer is 0.25

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Tory creates a cell phone app. He wants to distribute it through a company that will pay him $100 plus $0.25 every time the app,

MakcuM [25]

Answer: 1520 downloaded's

Step-by-step explanation:

$0.25 divided by $380 = 1520

1520 x $0.25 = $380

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