Hans needs to read 3 novels each month. Let N be the number of novels Hans needs to read in M months. Write an equation relating N to M. Then use this equation to find the number of novels Hans needs to read in 11 months.

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics