A clean eir standard requires hat Vehicle exhaust emissions not exceed spec fied

Question

A clean eir standard requires hat Vehicle exhaust emissions not exceed spec fied mits or varlous pollutants. Many states require that cars be ested ?nnual y o b. sure they meet nese standards. Suppose state regulators double check ? random sampe ofcars that a suspect repair shop h?s certified as okay. They will revoke the shop's license if they find significant evidence that the shop is certifying vehicles that do not meet standards. a) In this context, what is a Type I error? b) In this context what is Type II error? c) Which type of error would the shap's owner consider more serious? d) Which type of error might evironmentalists consider more serious? a) What is a TypeI error? O A. l'he regulators certity that the shop s meeting the standards when the shops meeting them B. Th? regulators certify that the shop s meeling lhe standards when the shop is actually not meeting O C. The regulators decide that the shop is nol meeling the slaridards when the shop is aclually meeling O D. The regulators decide that the shop is not meeting the standards when the shop is not meeting them them them What isaTypell error? OA. The regulators decide that the shop is not meeting the standards when the shop is not meeting them O B. The regulators certify tal lhe shop is meeling lhe slandards when Ihe shop is meeling uier'. O C. The regulators certify that the shop is meeting the standards when the shop is not actually meeting them O D. The regulators decide that the shop is not mccting the standards when the shop is actually mecting them c) Which type of crrer would the shop's owner consider more serious? O Type errr Type 1 error d) Which type of error might environmentalists consider more serious? Type II error O Type Grror

Explanation / Answer

Ho: Shops is meeting standards

H1: Shop is not meeting standards

A) Type 1 error

It is P(Rejecting Ho when it is TRUE)

Answer is C The regulators decides that shop is not meeting the standards when the shop is actually meeting them.

B) Type 2 error

P(Accepting Ho when it is FALSE)

Answer is C The regulators certify that shop is meeting the standards when the shop is not actually meeting them.

C) Type 1 error is more serious for shop owner

(because shop is actually meeting standards still regulators are denying it. Its shop owner's loss)

D) Type 2 error is more serious for enviromentalist

(Because shop owner is not meeting standards still regulators are saying that it meet the standards. It might not be good for the enviroment.)

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