You work for a car parts manufacturer and you are reviewing the performance of a premium air filter brand vs its generic and cheaper equivalent .Your quality promise to the market is that your premium brand will last at least 75 000 km.

Brand A is the premium brand, Brand B is the generic replacement

Data from a fleet of vehicles show that Brand A has a mean of 85 000 km, with a standard deviation of 3000 km.

Brand B has a mean life of 55 000km with a standard deviation of 10000 km.

Choose all that are correct. Note that more than one option may be correct. Selecting an incorrect answer will result in a penalty to your total score for this question, but your question score will never be less than zero 5

You work for a car parts manufacturer and you are reviewing the performance of a premium air filter brand vs its generic and cheaper equivalent .Your quality promise to the market is that your premium brand will last at least 75 000 km.

Brand A is the premium brand, Brand B is the generic replacement

Data from a fleet of vehicles show that Brand A has a mean of 85 000 km, with a standard deviation of 3000 km.

Brand B has a mean life of 55 000km with a standard deviation of 10000 km.

Choose all that are correct. Note that more than one option may be correct. Selecting an incorrect answer will result in a penalty to your total score for this question, but your question score will never be less than zero 5

At least some of Brand A's air filters will fail to meet the quality standard

Brand A air filters have a lower standard standard deviation which means their performance is more predictable

Brand B's air filters have a lower standard deviation which makes predicting service life more accurate

All other issues being equal, Brand A will have to be sold at a higher price than Brand B

It is statistically very unlikely that any of Brand B's air filters will meet Brand A's mean performance