205 students in a random sample of 450 enrolled in summer classes. Let Pbe the proportion of all students taking classes this summer. For testing the hypothesis Ho : P = 0.5 vs H1 : P# 0.5, the value of the test statistic is O 2 - 1.15 O 2* = -1.7 O z* = 1.7 O 2* = -1.15

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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205 students in a random sample of 450
enrolled in summer classes. Let Pbe the
proportion of all students taking classes
this summer. For testing the hypothesis
H, : P = 0.5 vs H1 : P+ 0.5, the value
of the test statistic is
O 2* = 1.15
O 2* = -1.7
O z* = 1.7
O z* = -1.15
Transcribed Image Text:205 students in a random sample of 450 enrolled in summer classes. Let Pbe the proportion of all students taking classes this summer. For testing the hypothesis H, : P = 0.5 vs H1 : P+ 0.5, the value of the test statistic is O 2* = 1.15 O 2* = -1.7 O z* = 1.7 O z* = -1.15
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