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8 questions
This symbol denotes the null hypothesis
Null hypothesis
Alternative Hypothesis
H0
Ha
This symbol denotes the alternative hypothesis
Null hypothesis
Alternative hypothesis
H0
Ha
Bedazzled Motor Company claims that its new sedan, the Glitteratti , will average better than 26 miles per gallon in the city. Which of the following represents the appropriate null & alternative hypotheses?
H0: μ ≤ 26
Ha: μ > 26 claim
H0: μ < 26
Ha: μ ≥ 26 claim
H0: μ > 26 claim
Ha: μ ≤ 26
H0: μ = 26
Ha: μ < 26 claim
The owner of a soccer team claims that the average attendance at games is over 62,900. Which of the following represents the appropriate null & alternative hypotheses?
H0: μ < 62,900
Ha: μ ≥ 62,900 claim
H0: μ = 62,900 claim
Ha: μ < 62,900
H0: μ > 62,900
Ha: μ ≤ 62,900 claim
H0: μ ≤ 62,900
Ha: μ > 62,900 claim
Which of the following represents the appropriate null & alternative hypotheses?
The mean height of women is greater than 64"
H₀: μ > 64" (claim)
Hₐ: μ ≠ 64"
H₀: μ ≤ 64"
Hₐ: μ > 64" (claim)
H₀: p > 64" (claim)
Hₐ: p ≠ 64"
H₀: p ≥ 64"
Hₐ: p < 64" (claim)
A car manufacturer advertises that its new subcompact models get more than 47 mpg. If μ is the mileage of these cars, what could be the null and alternate hypothesis?
H0 ≠ 47 (claim)
Ha = 47
H0 ≥ 47
Ha < 47 (claim)
H0 ≤ 47
Ha > 47 (claim)
H0 = 47 (claim)
Ha ≠ 47
The weight of the average 6th grade student's backpack (with books in it) is 18.4 lbs. What is the null and alternate hypothesis?
H0 = 18.4 (claim)
Ha = 18.4
H0 < 18.4
Ha > 18.4 (claim)
H0 > 18.4
Ha < 18.4 (claim)
H0 = 18.4 (claim)
Ha ≠ 18.4
At the Chrysler manufacturing plant, there is a part that is supposed to weigh precisely 19 pounds. The engineers take a sample of parts and want to know if they meet the weight specifications. What are our null and alternative hypotheses?
Ho : μ = 17 (claim)
Ha : μ ≠ 19
Ho : μ = 19 (claim)
Ha : μ ≠ 19
Ho : μ = 19
Ha : μ ≠ 19 (claim)
Ho : μ = 17
Ha : μ ≠ 17 (claim)
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