A senior high student commutes daily from home to school. The average time for one way.. trip is 20 minutes, with a standard deviation of 4 minutes. Assuming that the distribution of the trips is normally distributed, how many minutes is the starting point of the longest 10% of the trips?

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Q: at map 3.28. Prove or give a counterexample. If E₁ and E2 are independent, then they are…

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Q: Q4. The probability density function of the RV X is f(x) = 5e-kx for x ≥ 0. Find 2) bslubado ni a)…

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Q: If a stock market index goes up 70% of the time, what percent of the time does it go down?

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