Let X1,X2, . . . ,X10 be a random sample of size 10 from a

Chapter 8, Problem 7E

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QUESTION:

Let\(X_{1}, X_{2}, \ldots, X_{10}\) be a random sample of size 10 from a Poisson distribution with mean \(\mu\).

(a) Show that a uniformly most powerful critical region for testing \(H_{0}: \mu=0.5\) against \(H_{1}: \mu>0.5\) can be defined with the use of the statistic \(\sum_{i=1}^{10} X_{i}\).

(b) What is a uniformly most powerful critical region of size \(\alpha=0.068\) ? Recall that \(\sum_{i=1}^{10} X_{i}\) has a Poisson distribution with mean \(10 \mu\).

(c) Sketch the power function of this test.

Equation Transcription:

Text Transcription:

X_1,X_2,,X_10  

H_0:=0.5  

H_1:>0.5

sum_i=1^10  X_i

alpha =0.068

sum_i=1^10  X_i

10 mu

Questions & Answers

QUESTION:

Let\(X_{1}, X_{2}, \ldots, X_{10}\) be a random sample of size 10 from a Poisson distribution with mean \(\mu\).

(a) Show that a uniformly most powerful critical region for testing \(H_{0}: \mu=0.5\) against \(H_{1}: \mu>0.5\) can be defined with the use of the statistic \(\sum_{i=1}^{10} X_{i}\).

(b) What is a uniformly most powerful critical region of size \(\alpha=0.068\) ? Recall that \(\sum_{i=1}^{10} X_{i}\) has a Poisson distribution with mean \(10 \mu\).

(c) Sketch the power function of this test.

Equation Transcription:

Text Transcription:

X_1,X_2,,X_10  

H_0:=0.5  

H_1:>0.5

sum_i=1^10  X_i

alpha =0.068

sum_i=1^10  X_i

10 mu

ANSWER:

Step 1 of 4

Given:

The size of the sample is .

The variables  follows a Poisson distribution with mean .

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