Park rangers tagged 80 deer in a park. they found that 24 of the deer were less than two years old. Based on these results, how many of the 1,200 total deer in the park can be expected to be less than two years old?

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