2 years ago

1 in 3 babies born last year are expected to live to 100years old

Mathematics

1 answer:

kolbaska11 [484]2 years ago

3 0

Divide 720,000 by 3.
Your answer is 240,000.

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$E(X)=9\times\frac{1}{6}-2\times\frac{5}{6}=-\frac{1}{6}\ points$
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<h3>hello!</h3>

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