Mullins Salinas
06/18/2024 · High School

9. Emma has a tank with two fish in it. The probability that the first fish lives for at least one year is 0.84 . The probability that the second fish lives for at least one year is 0.90 . What is the probability that both fish live for ore than one year? 10. Donny rolls 56 -sided dice all at once. What is the probability he rolls all 1 's? 11. Lana buys an unfair coin online. The coin is supposed to land heads up \( 75 \% \) of the time. If this is true, what is the probability that in 20 flips, the first 15 are heads and the last 5 tails?

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- Problem 9: The probability that both fish live for at least one year is 0.756. - Problem 10: The probability that Donny rolls all 1's is \(\frac{1}{6^{56}}\). - Problem 11: The probability that in 20 flips, the first 15 are heads and the last 5 are tails is approximately 0.00001299.

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