Test the claim that the mean GPA of night students is smaller than 2.6 at the 0.01 significance level. The null and alternative hypothesis would be:   H0:μ≤2.6H0:μ≤2.6 H1:μ>2.6H1:μ>2.6 H0:μ=2.6H0:μ=2.6 H1:μ≠2.6H1:μ≠2.6 H0:p≥0.65H0:p≥0.65 H1:p<0.65H1:p<0.65 H0:p≤0.65H0:p≤0.65 H1:p>0.65H1:p>0.65 H0:μ≥2.6H0:μ≥2.6 H1:μ<2.6H1:μ<2.6 H0:p=0.65H0:p=0.65 H1:p≠0.65H1:p≠0.65 The test is:   left-tailed two-tailed right-tailed Based on a sample of 80 people, the sample mean GPA was 2.59 with a standard deviation of 0.03 The test statistic is:  (to 2 decimals) The p-value is:  (to 2 decimals) Based on this we: Reject the null hypothesis Fail to reject the null hypothesis

Q: Test the claim that the mean GPA of night students is smaller than 2.2 at the 0.025 significance…

A: Given that : μ = 2.2 n = 40 X- = 2.16 By using one sample mean test hypothesis to solve this…

Q: Test the claim that the mean GPA of night students is smaller than 3.2 at the 0.05 significance…

A: given data sample size (n) = 55sample mean ( x¯ ) = 3.16sample standard deviation (s) =0.06claim : μ…

Q: Test the claim that the mean GPA of night students is significantly different than 2.9 at the 0.2…

A: Solution: Let X be the GPA of night students. From the given information, x-bar = 2.85, S=0.04 and…

Q: Test the claim that the proportion of men who own cats is significantly different than the…

A: The given claim is that the proportion of men who own cats is significantly different than the…

Q: Test the claim that the mean GPA of night students is smaller than the mean GPA of day students at…

A: There are two independent samples which are night students and day students. We have to test whether…

Q: Test the claim that the mean GPA of night students is significantly different than 2 at the 0.1…

A: Solution: Let X be the GPA. From the given information, x-bar=1.97, S=0.08 and n=35. The given claim…

Q: Test the claim that the mean GPA of night students is significantly different than 3.5 at the 0.1…

A: Given that,population mean(u)=3.5sample mean, x =3.51standard deviation, s =0.08number (n)=35

Q: Test the claim that the proportion of people who own cats is larger than 20% at the 0.01…

A: Given population proportion p=20%=0.20 , level of significance ɑ=0.01, n=700, p^=27% =0.27

Q: Test the claim that the mean GPA of night students (μNμN) is smaller than the mean GPA of day…

A: It is needed to test the claim that the mean GPA of night students (μN) is smaller than the mean GPA…

Q: Test the claim that the mean GPA of night students is significantly different than 2 at the 0.05…

A: Solution: State the hypotheses. Null hypothesis: That is, the mean GPA of night students is equal…

Q: Test the claim that the mean GPA of night students is significantly different than 2.9 at the 0.2…

A: Given data Claim that the mean GPA of night students is significantly different than 2.9…

Q: Test the claim that the proportion of people who own cats is larger than 50% at the 0.01…

A: we have given that sample size n=100 , sample proportion p^=55%=0.55 and population proportion P=0.5

Q: Test the claim that the proportion of people who own cats is smaller than 10% at the 0.025…

A:

Q: The test is:   A.) two-tailed B.) right-tailed C.) left-tailed Based on a sample of 40 people,…

A:

Q: Test the claim that the mean GPA of night students is significantly different than 2.4 at the 0.1…

A: Here we use Z test

Q: Test the claim that the mean GPA of night students is smaller than the mean GPA of day students at…

A:

Q: Test the claim that the mean GPA of night students is smaller than the mean GPA of day students at…

A:

Q: he claim that the proportion of people who own cats is smaller than 70% at the 0.05 significance…

A: The null and alternative hypothesis would be:   H0:p≥0.7H1:p&lt;0.7   This corresponds to a…

Q: Test the claim that the mean GPA of night students is significantly different than 2.2 at the U.02…

A:

Q: Test the claim that the mean GPA of night students is larger than the mean GPA of day students at…

A: Given,                                            n1=25X1=3.343s1=0.04…

Q: Test the claim that the mean GPA of night students is significantly different than 2 at the 0.2…

A: The random variable GPA is normally distributed. The population mean is 2. We have to test whether…

Q: est the claim that the mean GPA of night students is larger than 2.5 at the .025 significance level.…

A: n = 30 , df = n-1 = 29

Q: Test the claim that the proportion of people who own cats is larger than 20% at the 0.05…

A: State the hypotheses. That is, there is no evidence that the true proportion of people who own cats…

Q: Test the claim that the mean GPA of night students is smaller than the mean GPA of day students at…

A: given data claim : μN&lt;μDα = 0.01

Q: We’re trying to show that the true average calcium level in humans is greater than 2.4. What are the…

A: Claim : true average calcium level in humans is greater than 2.4

Q: Test the claim that the mean GPA of night students is larger than the mean GPA of day students at…

A: Given: Night students: n1 = 30 X1 = 2.8 s1 = 0.06 Day students: n2 = 30 X2 = 2.78 s2 = 0.07 Formula…

Q: Test the claim that the mean GPA of night students is larger than 2.7 at the 0.10 significance…

A:

Q: Find the​ P-value that corresponds to the given standard​ score, and determine whether to reject the…

A:

Q: Test the claim that the mean GPA of night students is larger than 2 at the 0.025 significance level.…

A: Solution: The claim is that the mean GPA of night students is larger than 2. State the hypotheses.…

Q: Test the claim that the mean GPA of night students is larger than the mean GPA of day students at…

A: Since we desire to test the inferred claim about the mean GPA score of day students with the mean…

Q: Test the claim that the mean GPA of night students is significantly different than 3.4 at the 0.05…

A:

Q: Test the claim that the mean GPA of night students is larger than 2.1 at the 0.025 significance…

A: Given Mu=2.1 Mean=2.13 Standard deviations=0.04 n=65

Q: Test the claim that the proportion of men who own cats is significantly different than 60% at the…

A:

Q: Test the claim that the mean GPA of night students is larger than 2.9 at the 0.05 significance…

A: Denote μ as the population mean GPA of night students.

Q: Test the claim that the mean GPA of night students is significantly different than 3.2 at the 0.05…

A:

Q: Test the claim that the mean GPA of night students is smaller than the mean GPA of day students at…

A: It is given that the claim is that the mean GPA of night students is smaller than the mean GPA of…

Q: Test the claim that the proportion of people who own cats is significantly different than 80% at the…

A: Here, the claim is that the proportion of people who own cats is significantly different than…

Q: Test the claim that the proportion of people who own cats is larger than 10% at the 0.05…

A: Single proportion test

Q: Test the claim that the proportion of people who own cats is larger than 20% at the 0.01…

A: From the provided information, Sample size (n) = 700 From which 27% owned cats that is Sample…

Q: Test the claim that the mean GPA of night students is smaller than the mean GPA of day students at…

A: given data claim : μN&lt;μDα = 0.01 here it is not given that variances are equal so we use unequal…

Q: Test the claim that the proportion of people who own cats is smaller than 90% at the 0.025…

A:

Q: Test the claim that the mean GPA of night students is larger than 3.5 at the 0.01 significance…

A:

Q: Test the claim that the mean GPA of night students is smaller than the mean GPA of day students at…

A: From the provided information,

Q: Test the claim that the mean GPA of night students is smaller than 2.4 at the 0.01 significance…

A: Sample size n =80 Sample mean =2.37 Standard deviation = 0.07 Level of significance =alpha =0.01

Q: Test the claim that the proportion of people who own cats is larger than 70% at the 0.025…

A:

Q: Test the claim that the mean GPA of night students is smaller than the mean GPA of day students at…

A: Given: For night students: n1 = 16 X1 = 2.33 S1 = 0.03 For day students: n2 = 22 X2 = 2.34 S2 = 0.02…

Q: est the claim that the mean GPA of night students is significantly different than the mean GPA of…

A: Given Information : The sample consisted of 14 night students, with a sample mean GPA of 2.82 and a…

Q: Test the claim that the proportion of men who own cats is smaller than the proportion of women who…

A: