Week 6_ Homework_ Statistics for Decision-Making -...

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2/14/2019 Week 6: Homework: Statistics for Decision-Making - 11994 0 / 2 pts Question 1 A consumer analyst reports that the mean life of a certain type of alkaline battery is more than 63 months. Write the null and alternative hypotheses and note which is the claim. Ho: μ = 63 (claim), Ha: μ ≥ 63 Ho: μ ≤ 63, Ha: μ > 63 (claim) Correct Answer Correct Answer
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Ho: μ ≤ 63, Ha: μ < 63 (claim) Ho: μ > 63 (claim), Ha: μ ≤ 63 You Answered You Answered 2 / 2 pts Question 2 A business claims that the mean time that customers wait for service is at most 5.9 minutes. Write the null and alternative hypotheses and note which is the claim. Correct! Correct!
2/14/2019 Week 6: Homework: Statistics for Decision-Making - 11994 2 / 2 pts Question 3 An amusement park claims that the average daily attendance is at least 20,000. Write the null and alternative hypotheses and note which is the claim. Correct! Correct!
0 / 2 pts Question 5 If the null hypothesis is rejected when it is false, this is called __________.
2 / 2 pts Question 4 A transportation organization claims that the mean travel time between two destinations is about 17 minutes. Write the null and alternative hypotheses and note which is the claim. Ho: μ = 17 (claim), Ha: μ ≤ 17 Ho: μ > 17, Ha: μ ≤ 17 (claim) Ho: μ ≠ 17, Ha: μ = 17 (claim) Ho: μ = 17 (claim), Ha: μ ≠ 17 Correct! Correct!
2/14/2019 Week 6: Homework: Statistics for Decision-Making - 11994 the correct decision Correct Answer Correct Answer a type I error You Answered You Answered a type II error an alternative hypothesis 2 / 2 pts Question 6 A scientist claims that the mean gestation period for a fox is 51.5 weeks. If a hypothesis test is performed that rejects the null hypothesis, how would this decision be interpreted?
3/15 0 / 2 pts

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