Test the claim that the mean GPA of night students is significantly different than 2.9 at the 0.2 significance level. The null and alternative hypothesis would be:   H0:μ≤2.9 H1:μ>2.9   H0:p=0.725 H1:p≠0.725   H0:μ=2.9 H1:μ≠2.9   H0:μ≥2.9 H1:μ<2.9   H0:p≥0.725 H1:p<0.725   H0:p≤0.725 H1:p>0.725 The test is:   left-tailed right-tailed two-tailed Based on a sample of 75 people, the sample mean GPA was 2.85 with a standard deviation of 0.04 The test statistic is:? The p-value is: ? Based on this we: Reject the null hypothesis Fail to reject the null hypothesis

Q: Test the claim that the proportion of people who own cats is larger than 50% at the 0.10…

A: The provided information are: Population proportion (p) = 50% = 0.50 Sample proportion (p̂) = 53% =…

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 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 proportion of people who own cats is larger than 20% at the 0.025…

A: Given information- Population proportion, p = 0.20 Sample size, n = 400 Significance level, α =…

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

A: From the given information we want to know null alternative and p Value.

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 proportion of people who own cats is larger than 70% at the 0.10…

A: Given, The proportion of people who own cats is larger than 70% at the 0.10 significance level.…

Q: 6.Test the claim that the mean GPA of night students is smaller than the mean GPA of day students at…

A: Given data is appropriate for testing of hypothesis to test z-test for difference of means because…

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 men who own cats is smaller than 70% at the 0.01 significance…

A:

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

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: 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 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 significantly different than 70% at the…

A: From the provided information, The population proportion (p) = 0.70 The level of significance (α) =…

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 larger than 2.7 at the 0.10 significance…

A:

Q: Test the claim that the proportion of people who own cats is larger than 20% at the 0.10…

A: From the provided information, Sample size (n) = 700 Sample proportion (p̂) = 0.26 Level of…

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 smaller than 2.2 at the 0.025 significance…

A: State the hypotheses. That is, there is no evidence to conclude that the mean GPA of night students…

Q: Test the claim that the proportion of people who own cats is larger than 60% at the 0.01…

A: From the provided information, Sample size (n) = 100 67% owned cats that is Sample proportion (p̂) =…

Q: Test the claim that the mean GPA of night students is larger than 3.2 at the 0.025 significance…

A: Consider that μ is the mean GPA of all night students.

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 proportion of people who own cats is significantly different than 60% at the…

A: From the provided information, Sample size (n) = 600 Level of significance (α) = 0.01

Q: Test the claim that the mean GPA of night students is smaller than 2.6 at the 0.01 significance…

A: From the provided information, Sample size (n) = 80 Sample mean (x̄) = 2.59 Sample standard…

Q: Test the claim that the mean GPA of night students is smaller than 3.4 at the 0.005 significance…

A: Given Data Hypothesized mean = 3.4 n = 80 Sample mean = 3.38 Standard Deviation = 0.08 Null…

Q: Test the claim that the proportion of people who own cats is larger than 60% at the 0.05…

A: See the handwritten solution

Q: Test the claim that the proportion of people who own cats is larger than 10% at the 0.01…

A: From the provided information, The population proportion (p) = 0.10 The level of significance (α) =…

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 men who own cats is smaller than 80% at the 0.01 significance…

A:

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 proportion of men who own cats is significantly different than 20% at the…

A:

Q: Test the claim that the proportion of people who own cats is smaller than 70% at the 0.005…

A: It is been asked to test the claim that the proportion of people who own cats is smaller than 70% at…

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 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 proportion of men who own cats is smaller than the proportion of women who…

A:

Q: Test the claim that the proportion of people who own cats is significantly different than 40% at the…

A: Given, Sample size = 700 Sample proportion = 0.44   The null and alternative hypothesis is: The…

Q: est the claim that the proportion of men who own cats is larger than 30% at the 0.05 significance…

A: Claim: The proportion of men who own cats is larger than 30%. Significance level: α=0.05 Hypothesis:…

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.