Test the claim that the mean GPA of night students is larger than 2.7 at the 0.005 significance level. The null and alternative hypothesis would be: H0:p≤0.675H0:p≤0.675 H1:p>0.675H1:p>0.675 H0:μ≤2.7H0:μ≤2.7 H1:μ>2.7H1:μ>2.7 H0:p≥0.675H0:p≥0.675 H1:p<0.675H1:p<0.675 H0:μ≥2.7H0:μ≥2.7 H1:μ<2.7H1:μ<2.7 H0:p=0.675H0:p=0.675 H1:p≠0.675H1:p≠0.675 H0:μ=2.7H0:μ=2.7 H1:μ≠2.7H1:μ≠2.7 The test is: right-tailed two-tailed left-tailed Based on a sample of 60 people, the sample mean GPA was 2.72 with a standard deviation of 0.07 The p-value is: (to 2 decimals) Based on this we: Fail to reject the null hypothesis Reject the null hypothesis
Test the claim that the mean GPA of night students is larger than 2.7 at the 0.005 significance level. The null and alternative hypothesis would be: H0:p≤0.675H0:p≤0.675 H1:p>0.675H1:p>0.675 H0:μ≤2.7H0:μ≤2.7 H1:μ>2.7H1:μ>2.7 H0:p≥0.675H0:p≥0.675 H1:p<0.675H1:p<0.675 H0:μ≥2.7H0:μ≥2.7 H1:μ<2.7H1:μ<2.7 H0:p=0.675H0:p=0.675 H1:p≠0.675H1:p≠0.675 H0:μ=2.7H0:μ=2.7 H1:μ≠2.7H1:μ≠2.7 The test is: right-tailed two-tailed left-tailed Based on a sample of 60 people, the sample mean GPA was 2.72 with a standard deviation of 0.07 The p-value is: (to 2 decimals) Based on this we: Fail to reject the null hypothesis Reject the null hypothesis
Chapter9: Sequences, Probability And Counting Theory
Section9.7: Probability
Problem 1SE: What term is used to express the likelihood of an event occurring? Are there restrictions on its...
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Test the claim that the mean GPA of night students is larger than 2.7 at the 0.005 significance level.
The null and alternative hypothesis would be:
H0:p≤0.675H0:p≤0.675
H1:p>0.675H1:p>0.675
H1:p>0.675H1:p>0.675
H0:μ≤2.7H0:μ≤2.7
H1:μ>2.7H1:μ>2.7
H1:μ>2.7H1:μ>2.7
H0:p≥0.675H0:p≥0.675
H1:p<0.675H1:p<0.675
H1:p<0.675H1:p<0.675
H0:μ≥2.7H0:μ≥2.7
H1:μ<2.7H1:μ<2.7
H1:μ<2.7H1:μ<2.7
H0:p=0.675H0:p=0.675
H1:p≠0.675H1:p≠0.675
H1:p≠0.675H1:p≠0.675
H0:μ=2.7H0:μ=2.7
H1:μ≠2.7H1:μ≠2.7
H1:μ≠2.7H1:μ≠2.7
The test is:
Based on a sample of 60 people, the sample mean GPA was 2.72 with a standard deviation of 0.07
The p-value is: (to 2 decimals)
Based on this we:
right-tailed
two-tailed
left-tailed
Based on a sample of 60 people, the sample mean GPA was 2.72 with a standard deviation of 0.07
The p-value is: (to 2 decimals)
Based on this we:
- Fail to reject the null hypothesis
- Reject the null hypothesis
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