Suppose a baseball pitcher throws fastballs 80% of the time and curveballs 20% of the time. a batter hits a home run on 8% of all fastball pitches and on 5% of all curveball pitches.
what is the probability that this batter will hit a home run on this pitcher’s next pitch?

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