Directions: Draw a circle around your answer(s) for each question and show all of your work.
Graded Question #1: Unit D Exercise 44 A Roper poll used a sample of 100 randomly selected car owners. Within the sample, the mean time of ownership of a single car is 7.01 years. Assuming that the actual mean ownership time is 7.5 years, the likelihood of selecting a sample with a mean time of ownership of 7.01 years or less is 0.10. State the null hypothesis and alternative hypothesis for a hypothesis test. Then discuss whether the sample provides evidence for rejecting or not rejecting the null hypothesis.
Graded Question #2: Unit A Exercise 20 Determine the probability of the following event: Rolling a single 6-sided die and getting an even number (2, 4, or 6) Graded
Question #3: Unit A Exercise 22 Determine the probability of the following event: Drawing a red card (heart or diamond) from a standard deck of 52 cards
Graded Question #4: Match the scenario to the rule type (1-5) that must be used to solve it. Then, calculate the probability of each scenario.
Scenario Rule Type Probability A bag has 5 red balls and 5 green balls.
What is the probability of drawing a red ball and a green ball without replacing the first ball?
What is the probability of rolling a standard die and getting an even number (2,4,6) or a 1?
What is the probability of flipping a coin and getting heads and rolling a die and getting a 6?
A standard card is drawn. What is the probability of drawing a club or drawing a King?
A basketball player makes 75% of their shots. What is the probability they make at least one shot in 4 attempts?
Part B
Use this discussion forum to post your comments, questions, and/or responses to questions about this week’s material. (You need to make at least two substantive posts to receive your 2 participation points for this week.)
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