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3 years ago

11

The recomended daily allowance of niacin is 20 mg. One serving of certain breakfast cereal provides 15mg of niacin. What percent

of the recommended daily allowance of niacin does one serving of this cereal provide

2 answers:

PtichkaEL [24]3 years ago

6 0

75%. Just divide 15/20 and you will get .75 then multiply by 100 to turn the decimal to a percent

Sever21 [200]3 years ago

6 0

75% is the answer because its 3/4 of the recommended daily

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2 years ago

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3 years ago

If there are 17 green marbles in a jar of 65 marbles, what is the probability of drawing 2 green marbles at random without repla

erastovalidia [21]

Answer:

Option b) $\frac{17}{260}$

Step-by-step explanation:

We are given the following information in the question:

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We have to find the probability of drawing 2 green marbles at random without replacement.

Formula:

$Probability = \displaystyle\frac{\text{Number of favourable outcomes}}{\text{Total number of outcomes}}$

$\text{P(Drawing 2 green marbles at random without replacement)} = \\\text{Probability of drawing }1^{st} \text{ green marble}\times \text{Probability of drawing }2^{nd} \text{ green marble}$

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$\text{P(Drawing 2 green marbles at random without replacement)} =\displaystyle\frac{17}{65}\times \frac{16}{64}=\frac{17}{260}$

Option b) $\frac{17}{260}$

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3 years ago