30 42 20 49 15 21 (a) What was the proportion of all 48 moviegoers who were under age 20? (Round your answer to 2 decimal places 21 56 11 Proportion 62 51 64 38

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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Below is a 6 x 8 array containing the ages of moviegoers. Treat this as a population.
32 34 33
23 23
14 11
23
10
40
21
12 57 13 58
62
51
63 34
11
18
62
56 11
Proportion
BIL225
65 35 15 17
33
31 13 11
12
15
13
64
30
20
51 38 49 15 21
(a) What was the proportion of all 48 moviegoers who were under age 20? (Round your answer to 2 decimal places.)
62
16
20
58
42
Transcribed Image Text:Below is a 6 x 8 array containing the ages of moviegoers. Treat this as a population. 32 34 33 23 23 14 11 23 10 40 21 12 57 13 58 62 51 63 34 11 18 62 56 11 Proportion BIL225 65 35 15 17 33 31 13 11 12 15 13 64 30 20 51 38 49 15 21 (a) What was the proportion of all 48 moviegoers who were under age 20? (Round your answer to 2 decimal places.) 62 16 20 58 42
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