1. The school registrar estimates that the dropout rate of freshmen high school in Mindanao is 20%. Last year, 45 freshmen from random sample of 250 Mindanao freshmen high school withdrew. At 0.01, is there enough evidence to reject the registrar's claim? Solution: Step 1: State the hypotheses. Ho: H: Step 2: The level of significance and critical region. a = and zetical = Step 3: Compute for the value of one sample z test. z,ompuod = . Step 4: Decision rule. Step 5: Conclusion.

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1. The school registrar estimates that the dropout rate of freshmen high school in
Mindanao is 20%. Last year, 45 freshmen from random sample of 250 Mindanao
freshmen high school withdrew. At 0.01, is there enough evidence to reject the registrar's
claim?
Solution:
Step 1: State the hypotheses.
Họ:
H1:
Step 2: The level of significance and critical region. a =
and Zeitical=
Step 3: Compute for the value of one sample z test. zompuand =
Step 4: Decision rule.
Step 5: Conclusion.
Transcribed Image Text:1. The school registrar estimates that the dropout rate of freshmen high school in Mindanao is 20%. Last year, 45 freshmen from random sample of 250 Mindanao freshmen high school withdrew. At 0.01, is there enough evidence to reject the registrar's claim? Solution: Step 1: State the hypotheses. Họ: H1: Step 2: The level of significance and critical region. a = and Zeitical= Step 3: Compute for the value of one sample z test. zompuand = Step 4: Decision rule. Step 5: Conclusion.
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