b) Probability of Type -II error = P (fail to reject H0|H0 is false) = P(fail to reject H0|H1 is True)
Sample size (n) =32
=
0.9
=
0.5
Probability of making type 2 error when machine is filling by 0.5 ounces more
z= 16.5-16/(0.9/sqrt(32))=3.14269
From Normal distribution table for this Z value the probability <= 3.14269 = NORM.S.DIST(3.16269,TRUE) = 0.999163
Probability of makingtype -II error ()=
upper tail = 1-0.999163= 0.0008
b) Power of the test = 1-=
0.9992 (up to 4 decimal places)
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A production line operation is tested for filling weight accuracy using the following hypotheses. Hypothesis Ho:...
A production line operation is tested for filling weight accuracy using the following hypotheses. Hypothesis Conclusion and Action H 0: = 16 Filling okay, keep running H a: 16 Filling off standard; stop and adjust machine The sample size is 39 and the population standard deviation is = 0.9. Use = .05. Do not round intermediate calculations. What would a Type II error mean in this situation? SelectConcluding that the mean filling weight is not 16 ounces when it actually isConcluding that the...
A production line operation is tested for filling weight accuracy using the following hypotheses. Hypothesis Conclusion and Action H 0: = 16 Filling okay, keep running H a: 16 Filling off standard; stop and adjust machine The sample size is 39 and the population standard deviation is = 0.9. Use = .05. Do not round intermediate calculations. What would a Type II error mean in this situation? SelectConcluding that the mean filling weight is not 16 ounces when it actually isConcluding that the...
A production line operation is tested for filling weight accuracy using the following hypotheses. Hypothesis Conclusion and Action H 0: = 16 Filling okay, keep running H a: 16 Filling off standard; stop and adjust machine The sample size is 39 and the population standard deviation is = 0.9. Use = .05. Do not round intermediate calculations. a. What would a Type II error mean in this situation? b. What is the probability of making a Type II error when...
A production line operation is tested for filling weight accuracy using the following hypotheses. Hypothesis Conclusion and Action H0: μ = 16 Filling okay; keep running. Ha: μ ≠ 16 Filling off standard; stop and adjust machine. The sample size is 30 and the population standard deviation is σ = 0.9. Use α = 0.05. (a) What would a type II error mean in this situation? Accepting H0 and letting the process continue to run when actually over-filling or under-filling...
A production line operation is tested for filling weight accuracy using the following hypotheses. Hypothesis Conclusion and Action H0: μ = 16 Filling okay; keep running. Ha: μ ≠ 16 Filling off standard; stop and adjust machine. The sample size is 30 and the population standard deviation is σ = 0.9. Use α = 0.05. (a) What would a type II error mean in this situation? Accepting H0 and letting the process continue to run when actually over-filling or under-filling...
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