*36. School Enrollment. Refer to the information given in Prob- lem 35. A student is selected at random. a. Describe the events L3, T1, and (T, & L3) in words. b. Find the probability of each event in part (a), and interpret your answers in terms of percentages. c. Construct a joint probability distribution corresponding to Table 4.17.

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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Туре
Public
Private
T2
Total
Elementary
L1
36,161
4,073
40,234
High school
L2
14,877
1,103
15,980
College
L3
15,909
6,059
21,968
Total
66,947
11,235
78,182
Level
Transcribed Image Text:Туре Public Private T2 Total Elementary L1 36,161 4,073 40,234 High school L2 14,877 1,103 15,980 College L3 15,909 6,059 21,968 Total 66,947 11,235 78,182 Level
*36. School Enrollment. Refer to the information given in Prob-
lem 35. A student is selected at random.
a. Describe the events L3, Tj, and (T & L3) in words.
b. Find the probability of each event in part (a), and interpret your
answers in terms of percentages.
c. Construct a joint probability distribution corresponding to
Table 4.17.
d. Compute P(T, or L3), using Table 4.17 and the f/N rule.
e. Compute P(T, or L3), using the general addition rule and your
answers from part (b).
f. Compare your answers from parts (d) and (e). Explain any
discrepancy.
Transcribed Image Text:*36. School Enrollment. Refer to the information given in Prob- lem 35. A student is selected at random. a. Describe the events L3, Tj, and (T & L3) in words. b. Find the probability of each event in part (a), and interpret your answers in terms of percentages. c. Construct a joint probability distribution corresponding to Table 4.17. d. Compute P(T, or L3), using Table 4.17 and the f/N rule. e. Compute P(T, or L3), using the general addition rule and your answers from part (b). f. Compare your answers from parts (d) and (e). Explain any discrepancy.
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