Question

The Crown Bottling Company has just installed a new bottling process that will fill 11-ounce bottles of the popular Crown Classic Cola soft drink. Both overfilling and underfilling bottles are undesirable: Underfilling leads to customer complaints and overfilling costs the company considerable money. In order to verify that the filler is set up correctly, the company wishes to see whether the mean bottle fill, u, is close to the target fill of 11 ounces. To this end, a random sample of 36 filled bottles is selected from the output of a test filler run. If the sample results cast a substantial amount of doubt on the hypothesis that the mean bottle fill is the desired 11 ounces, then the filler's initial setup will be readjusted. (a) The bottling company wants to set up a hypothesis test so that the filler will be readjusted if the null hypothesis is rejected. Set up the null and alternative hypotheses for this hypothesis test. Ho: u = V 11 versus Haut 11 (b) In the context of this situation, interpret making a Type I error; interpret making a Type Il error. Type l error: decide Type Il error: decide (Click to select) (Click to select) 11 when y 11 when u (Click to select) (Click to select) 11. 11.

Answer 1

a)

null hypothesis:Ho		μ	=	11
Alternate Hypothesis:Ha		μ	≠	11

b)

type I error :Decide  μ ≠ 11 when μ =11 (as type I error is to reject a true null hypothesis)

type I error :Decide  μ = 11 when μ ≠ 11 (sa type II error is fail to reject a false null(