Statistics - Tests of Hypotheses

[XodoX]

Homework Statement

Consider N(μ, σ²=40) distribution. To test H₀:=32 against H₁:μ>32, we reject H₀if the sample mean \overline{X}≥c. Find the sample size n and the constant c such that OC(μ=32)=0.90 AND OC(μ=35)=0.15.

Homework Equations

What I don't know

The Attempt at a Solution

Can't figure out how to do this one.

 

[Ray Vickson]

Homework Statement

Consider N(μ, σ²=40) distribution. To test H₀:=32 against H₁:μ>32, we reject H₀if the sample mean \overline{X}≥c. Find the sample size n and the constant c such that OC(μ=32)=0.90 AND OC(μ=35)=0.15.

Homework Equations

What I don't know

The Attempt at a Solution

Can't figure out how to do this one.

Show your work. Tell us why you cannot just use the material from the textbook or the course notes to get started with this problem.

RGV

 

[XodoX]

Show your work. Tell us why you cannot just use the material from the textbook or the course notes to get started with this problem.

RGV

What work? I do not have anything. "What I don't know" under relevant equation means I don't know which equation to use, because I do not find one that would work here. If I had found something, I would not have asked.