Question

Suppose Y ~ N(u,1) is a single observation from the normal density. Consider the test H0:...

Suppose Y ~ N(u,1) is a single observation from the normal density. Consider the test H0: u = 0 and H1: u = 1.

Find the most powerful test of size alpha = 0.05 and find the probability of Type II error from this test. Also, find the test that minimizes the sum of the two error probabilities.

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Suppose Y ~ N(u, 1) is a single observation from the normal density. Consider the test...
Suppose Y ~ N(u, 1) is a single observation from the normal density. Consider the test H0: u = 0 and H1: u = 1. Find the most powerful test of size alpha = 0.05.
Suppose X is a single observation from a Beta(θ, 1) distribution, and consider the hypotheses H0...
Suppose X is a single observation from a Beta(θ, 1) distribution, and consider the hypotheses H0 : θ ≥ 2 vs H1 : θ < 2. (a) Consider the test with rejection region R = {X < c}. Derive the power function of this test (as a function of θ and c). (b) Find the value of c so that the test has size α = 0.01. (c) Find the probability of a Type II error when θ = 1....
Consider the following hypothesis test: H0:u equal to 25 H1: u> 25 α=0.05, σ= 2.4,n=30 what...
Consider the following hypothesis test: H0:u equal to 25 H1: u> 25 α=0.05, σ= 2.4,n=30 what would be the cutoff value for y mean for the rejection of h0? If the true value is u=25.75, then what is the power of the test?
Suppose that X1, X2, X3, X4 are iid N(θ,4). We wish to test H0: θ =...
Suppose that X1, X2, X3, X4 are iid N(θ,4). We wish to test H0: θ = 2 vs H1: θ = 5. Consider the following tests: Test 1: Reject H0 iff X1 > 4.7 Test 1: Reject H0 iff 1/3(X1 + 2X2) > 4.5 Test 3: Reject H0 iff 1/2(X1 + X3) > 4.2 Test 4: Reject H0 iff x̄>4.1 (xbar > 4.1) Find Type 1 and Type 2 error probabilities for each test and compare the tests.
You have an SRS of size n = 10 from a Normal distribution with s =...
You have an SRS of size n = 10 from a Normal distribution with s = 1.1. You wish to test H0: µ = 0 Ha: µ > 0 You decide to reject H0 if x > 0.05 and to accept H0 otherwise. Find the probability (±0.1) of a Type I error. That is, find the probability that the test rejects H0 when in fact µ = 0: _____ Find the probability (±0.001) of a Type II error when µ...
3. Let Y be a singleobservation from a population with density function. f(y)=  2y/θ2 0 ≤ y...
3. Let Y be a singleobservation from a population with density function. f(y)=  2y/θ2 0 ≤ y ≤ θ   f(y)=  0     elsewhere (d) Use the pivotal Y /θ to find a 100(1 − α)% upper confidence interval for θ, which is of form (−∞, θˆU ). For the following questions, suppose for some θ0 > 0, we wish to test H0 :θ = θ0v.s. H1 :θ < θ0 based on a single observation Y . (e) Show that a level-α test has the...
In particular, assume standard deviation= 6. xbar=147.4 1. Suppose that you are asked to test H0...
In particular, assume standard deviation= 6. xbar=147.4 1. Suppose that you are asked to test H0 : u = 160.0 vs. HA : u is not = 160:0 at the 5% significance level. If the true is actually 1 = 163.2 and you take an iid sample of size 25, what is the power of your z-test? 2. state the probabilities of type I error and type II error for the above scenario. 3. If your sample size is increased...
Consider the following hypothesis test. H0: μ ≥ 10 Ha: μ < 10 The sample size...
Consider the following hypothesis test. H0: μ ≥ 10 Ha: μ < 10 The sample size is 120 and the population standard deviation is 5. Use α = 0.05. If the actual population mean is 9, the probability of a type II error is 0.2912. Suppose the researcher wants to reduce the probability of a type II error to 0.10 when the actual population mean is 10. What sample size is recommended? (Round your answer up to the nearest integer.)
Consider the following hypothesis test. H0: μ ≥ 10 Ha: μ < 10 The sample size...
Consider the following hypothesis test. H0: μ ≥ 10 Ha: μ < 10 The sample size is 120 and the population standard deviation is 9. Use α = 0.05. If the actual population mean is 8, the probability of a type II error is 0.2912. Suppose the researcher wants to reduce the probability of a type II error to 0.10 when the actual population mean is 11. What sample size is recommended? (Round your answer up to the nearest integer.)
Suppose we observe Y1,...Yn from a normal distribution with unknown parameters such that ¯ Y =...
Suppose we observe Y1,...Yn from a normal distribution with unknown parameters such that ¯ Y = 24, s2 = 36, and n = 15. (a) Find the rejection region of a level α = 0.05 test of H0 : µ = 20 vs. H1 : µ 6= 20. Would this test reject with the given data? (b) Find the rejection region of a level α = 0.05 test of H0 : µ ≤ 20 vs. H1 : µ > 20....
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT