MATH-221 Week 6 Homework: Statistics for Decision-Making (v2) | Download To Score An A
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Course
MATH 221
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Devry University
MATH-221 Week 6 Homework: Statistics for Decision-Making (v2) Question: A consumer analyst reports that the mean life of a certain type of alkaline battery is no more than 36 months. Write the null a nd alternative hypotheses and note which is the claim. Question: A business claims that the mean ti...
question a consumer analyst reports that the mean life of a certain type of alkaline battery is no more than 36 months write the null and alternative hypotheses and note which is the claim
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MATH-221 Week 6 Homework: Statistics for Decision-Making (v2)
This attempt took 97 minutes.
Question 1
pts
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, Ha: μ < 63 (claim)
Ho: μ > 63 (claim), Ha: μ ≤ 63
Ho: μ = 63 (claim), Ha: μ ≥ 63
Ho: μ ≤ 63, Ha: μ > 63 (claim)
Question 2
pts
A business claims that the mean time that customers wait for service is at
most 9.2 minutes. Write the null and alternative hypotheses and note which is
the claim.
Ho: μ > 9.2, Ha: μ ≤ 9.2 (claim)
Ho: μ ≥ 9.2, Ha: μ ≤ 9.2 (claim)
Ho: μ ≤ 9.2 (claim), Ha: μ > 9.2
Ho: μ > 9.2 (claim), Ha: μ > 9.2
, Question 3
pts
An amusement park claims that the average daily attendance is at least 15,000.
Write the null and alternative hypotheses and note which is the claim.
Ho: μ ≥ 15000 (claim), Ha: μ < 15000
Ho: μ > 15000 (claim), Ha: μ = 15000
Ho: μ = 15000, Ha: μ ≤ 15000 (claim)
Ho: μ ≤ 15000, Ha: μ > 15000 (claim)
Question 4
pts
A transportation organization claims that the mean travel time between two
destinations is about 12 minutes. Write the null and alternative hypotheses
and note which is the claim.
Ho: μ = 12 (claim), Ha: μ ≠ 12
Ho: μ = 12 (claim), Ha: μ ≤ 12
Ho: μ > 12, Ha: μ ≤ 12 (claim)
Ho: μ ≠ 12, Ha: μ = 12 (claim)
Question 5
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