(1 point) xx 1818 1919 2020 2121 2222 F(x)F(x) 77 99 1010 55 55 Let xx...

Question

Question

(1 point)

xx	1818	1919	2020	2121	2222
F(x)F(x)	77	99	1010	55	55

Let xx be the ages of students in a class. Given the frequency distribution F(x)F(x) above, determine the following probabilities:

(a) P(18≤x<20)=P(18≤x<20)=

(b) P(x=20)=P(x=20)=

(c) P(x≥19)=P(x≥19)=

Answer 1

Answer #1

Answer 2

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