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3 years ago

6

Kevin wants a new paddle board and will buy a package consisting of a board, custom fin, and paddle. If he can select 7 boards,

10 fins, and 9 paddles how many packages are available for him

1 answer:

RideAnS [48]3 years ago

8 0

Answer:

7 packages are available for Kevin

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The given case is an example of permutation problem because the order is important given that you should like the first two songs. The sample space is calculated through the equation,
15P2 = 210
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3P2 = 6
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2 years ago

What is the area of the partial circle with a radius of 8 cm? Use 3. 14 for pi.

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Radius=r=8cm

$\\ \tt\hookrightarrow Area=\pi r^2$

$\\ \tt\hookrightarrow Area=\pi 8^2$

$\\ \tt\hookrightarrow Area=64\pi$

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2 years ago

A screening test for a disease shows a positive result in 91% of all cases when the disease is actually present and in 7% of all

Jobisdone [24]

Answer:

0.0713 = 7.13% probability that the result is positive.

Step-by-step explanation:

Probability of a positive test:

91% of 1/650(has the disease).

7% of 1 - 1/650 = 649/650(does not have the disease). So

$p = 0.91\frac{1}{650} + 0.07\frac{649}{650} = \frac{0.91 + 0.07*649}{650} = 0.0713$

0.0713 = 7.13% probability that the result is positive.

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2 years ago