The test is: right-tailed two-tailed left-tailed Based on a sample of 65 people, the sample mean GPA was 3.16 with a standard deviation of 0.05 The test statistic is: (to 2 decimals) The p-value is: (to 2 decimals) Based on this we: Fail to reject the null hypothesis Reject the null hypothesis
The test is: right-tailed two-tailed left-tailed Based on a sample of 65 people, the sample mean GPA was 3.16 with a standard deviation of 0.05 The test statistic is: (to 2 decimals) 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 significantly different than 3.2 at the 0.05 significance level.
The null and alternative hypothesis would be:
H0:μ≤3.2H0:μ≤3.2
H1:μ>3.2H1:μ>3.2
H1:μ>3.2H1:μ>3.2
H0:p≤0.8H0:p≤0.8
H1:p>0.8H1:p>0.8
H1:p>0.8H1:p>0.8
H0:p≥0.8H0:p≥0.8
H1:p<0.8H1:p<0.8
H1:p<0.8H1:p<0.8
H0:μ≥3.2H0:μ≥3.2
H1:μ<3.2H1:μ<3.2
H1:μ<3.2H1:μ<3.2
H0:p=0.8H0:p=0.8
H1:p≠0.8H1:p≠0.8
H1:p≠0.8H1:p≠0.8
H0:μ=3.2H0:μ=3.2
H1:μ≠3.2H1:μ≠3.2
H1:μ≠3.2H1:μ≠3.2
The test is:
right-tailed
two-tailed
left-tailed
Based on a sample of 65 people, the sample mean GPA was 3.16 with a standard deviation of 0.05
The test statistic is: (to 2 decimals)
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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