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3 years ago

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Every third visitors to a museum gets a free bumper sticker. Every fifth visitor to that museum gets a free key chain. Which vis

itor each day will be the first one to get both the bumper sticker and the key chain?

1 answer:

Rashid [163]3 years ago

8 0

The fifteenth customer will be the first because 5x3=15

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The playing life of a Sunshine radio is normally distributed with mean LaTeX: \muμ = 600 hours and standard deviation LaTeX: \si

Hitman42 [59]

Answer:

The probability that a radio selected at random will last from 600 to 700 hours is 0.3413

Step-by-step explanation:

The playing life of a Sunshine radio is normally distributed

Mean = $\mu = 600 hours$

Standard deviation = $\sigma = 100 hours$

We are supposed to find the probability that a radio selected at random will last from 600 to 700 hours i.e.P(600<x<700)

Formula: $Z= \frac{x-\mu}{\sigma}$

At x = 600

$Z= \frac{600-600}{100}$

Z=0

$P(X$

At x = 700

$Z= \frac{700-600}{100}$

Z=1

$P(X$

$P(600$

Hence the probability that a radio selected at random will last from 600 to 700 hours is 0.3413

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igor_vitrenko [27]

Answer:

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Step-by-step explanation:

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3 years ago

Find the volume of a sphere with a radius of 9 inches. Use 3.14 for π

schepotkina [342]

Answer:

Answer = 3053.63

Step-by-step explanation:

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V = 4/3· π · $9^{3}$

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Rounded to the hundreths place is 3053.63.

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