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categoryإحصاء schoolبكالوريوس event_available2026-07-14

السؤال

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Let x be a continuous random variable that is normally distributed with mean μ=26 and standard deviation = 2. Use a graphing calculator to find P(23 ≤x≤ 30). The probability is . (Round to four decimal places as needed.) Let x be a continuous random variable with a standard normal distribution. Using the accompanying standard normal distribution table, find P(-1.64 ≤x≤0). Click the icon to view the standard normal distribution table. P(-1.64≤x≤ 0) = (Round to four decimal places as needed.)

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