You toss and coin and roll a number cube. 1. Draw a tree diagram to show all possible outcomes.

2. What is the probability of getting a heads and a 4?

3. What is the probability of getting a tails and a 8?

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