Divide and answer. 2/3 =

Mathematics

1 answer:

Serggg [28]4 years ago

6 0

The Answer to your problem is:

0.666667

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A bag of marbles has 15 blue, 18 green, 6 yellow, and 10 red marbles. How many marbles need to be added to the bag so the probab

skelet666 [1.2K]

Answer:

One marble (other than red)

Step-by-step explanation:

The total number of marbles is 15 + 18 + 6 + 10 = 49. The probability of drawing a red marble is 10 out of 49. We want to change those odds to 10 out of 50 (or 20%). Therefore, we need to add one marble; any color other than red will work.

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3 years ago

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What is the measure of ∠N?

Paraphin [41]

The sum of all interior angles in a polygon is

180( n - 2 ), n = number of sides in the polygon.

this one is a QUADrilateral, so it has 4 sides, thus its interior angles add up to 180( 4 - 2), or 360°.

thus 75 + 104 + 59 + ∡N = 360, ∡N = 360 - 75 - 104 - 59.

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4 years ago

You intend to estimate a population proportion with a confidence interval. The data suggests that the normal distribution is a r

SIZIF [17.4K]

Answer:

The critical value that corresponds to a confidence level of 99% is, 2.58.

Step-by-step explanation:

Consider a random variable X that follows a Binomial distribution with parameters, sample size n and probability of success p.

It is provided that the distribution of proportion of random variable X, $\hat p$ , can be approximated by the Normal distribution.