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andriy [413]
4 years ago
6

What is the probability that, in a random sample of five north american adults, all watch television for more than 7 hours per d

ay?
Mathematics
1 answer:
tensa zangetsu [6.8K]4 years ago
4 0
1/1.5 = .666 so, 0.7486
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Given:

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\Delta BAC\sim \Delta DEC

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\dfrac{AB}{ED}=\dfrac{AC}{EC}

On substituting the values, we get

\dfrac{24}{56}=\dfrac{2x}{3x+5}

\dfrac{3}{7}=\dfrac{2x}{3x+5}

3(3x+5)=2x(7)

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15=14x-9x

15=5x

\dfrac{15}{5}=x

3=x

Therefore, the value of x is 3 units.

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3 years ago
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Step-by-step explanation:

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If Mark continues at the same rate, at what time will he reach his fifth
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Answer:

Step-by-step explanation:

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