jlguachi jlguachi

16-02-2024
Mathematics

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Consider the following frequency table. x 19 20 21 22 23 F(x) 9 1 5 8 2 Let x be the ages of students in a class, and F(x) the corresponding frequency. Determine the following probabilities: (a) P(x≥22 or x<20)= 0.76 (b) P(x≥20)= 0.64 (c) P(19≤x<21)=

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