Hypotheses Testing-Hypothesis (ISS (Statistical Services) Statistics Paper II (Old Subjective Pattern)): Questions 1 - 1 of 1

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Question number: 1

» Hypotheses Testing » Hypothesis » Composite

Appeared in Year: 2014

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A sample of size n from normal distribution N (θ, σ 2 ) with σ 2 =4 was observed. 95 % confidence interval for θ was computed from the above sample. Find the value of n if the confidence interval is (9.02,10.98).


The Margin of error is defined as

Where z α/2 is the critical value = 1.96

σ is the standard deviation = 2

E is the margin of error=

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