Test the claim that the mean GPA of night students is significantly different than 2.9 at the 0.05 significance level. The null and alternative hypothesis would be:   H0:p≥0.725H0:p≥0.725 HA:p<0.725HA:p<0.725 H0:p≤0.725H0:p≤0.725 HA:p>0.725HA:p>0.725 H0:μ≤2.9H0:μ≤2.9 HA:μ>2.9HA:μ>2.9 H0:μ=2.9H0:μ=2.9 HA:μ≠2.9HA:μ≠2.9 H0:μ≥2.9H0:μ≥2.9 HA:μ<2.9HA:μ<2.9 H0:p=0.725H0:p=0.725 HA:p≠0.725HA:p≠0.725 The test is:   two-tailed left-tailed right-tailed Based on a sample of 75 people, the sample mean GPA was 2.95 with a standard deviation of 0.04 The p-value is:  (to 2 decimals)

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 people who own cats is smaller than 10% at the 0.025…

A: Solution: State the hypotheses Null hypothesis: H0:p≥0.10 That is, the proportion of people who own…

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 90% at the 0.01…

A: Givensignificance level(α)=0.01sample size(n)=800p^=0.92

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

A:

Q: Test the claim that the mean GPA of night students is larger than 2.2 at the 0.01 significance…

A: Given Population mean μ=2.2, level of significance ɑ=0.01  n=75, sample mean x̄=2.22, sample…

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 2.1 at the 0.01…

A: Let μ denotes the population mean GPA of night students. The claim of the test is that the mean GPA…

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 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 significantly different than 2 at the 0.2…

A: Given Population mean μ=2, level of significance ɑ=0.20  n=25, Sample mean x̄=1.97, s=sample…

Q: Test the claim that the mean GPA of night students is significantly different than 3.5 at the 0.02…

A: Solution We solve by using excel

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: Test the claim that the mean GPA of night students is larger than 2.5 at the 0.10 significance…

A: Correct option: Option 3     Determine the tail of the test.   The tail of the test is right tailed…

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 mean GPA of night students is significantly different than 2.7 at the 0.2…

A: claim : we wants to test that mean GPA of night student is different than 2.7 given information:…

Q: e claim that the proportion of people who own cats is significantly different than 90% at the 0.02…

A: Sample size n =400 Sample proportion p^=0.96

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 mean GPA of night students is significantly different than 2.4 at the 0.1…

A: From the provided information, The hypotheses are as follow: H0: µ = 2.4 H1: µ ≠ 2.4 Level of…

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 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 mean GPA of night students is larger than 2.7 at the 0.005 significance…

A: The claim is that the mean GPA of night students is larger than 2.7.

Q: Test the claim that the mean GPA of night students is larger than 3.3 at the 0.025 significance…

A: Given information Hypothesized mean µ = 3.3 Sample size (n) = 80 Mean x̅ = 3.34 Standard deviation…

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

A: From the given information, The provided information as given below: Sample size (n) = 80…

Q: Test the claim that the mean GPA of night students is significantly different than 3 at the 0.05…

A: Givenclaim is that the mean GPA of night students is significantly different than…

Q: Test the claim that the proportion of people who own cats is larger than 30% at the 0.025…

A: We have to find null hypothesis and alternative hypothesis, type of test statistics, test…

Q: The test is:   right-tailed two-tailed left-tailed Based on a sample of 65 people, the sample…

A:

Q: Test the claim that the mean GPA of night students is larger than 2.2 at the 0.10 significance…

A: Test the claim that the mean GPA of night students is larger than 2.2 at the 0.10 significance…

Q: Test the claim that the mean GPA of night students is significantly different than 3.5 at the 0.05…

A: Given, Sample size = 50 Sample mean = 3.48 Population standard deviation = 0.07   Set up the null…

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

A: Given that,sample size(n)=500success rate ( p )= x/n = 0.08success probability,( po )=0.1failure…

Q: Test the claim that the proportion of people who own cats is larger than 70% at the 0.10…

A: From the provided information, Sample size (n) = 200  From which 74% owned cats that is p̂ = 0.74…

Q: Test the claim that the mean GPA of night students is significantly different than 2.6 at the 0.05…

A: we have given that  mu=2.6 .n=65 ,xbar=2.63 , s =0.05 (sigma is unknown) then we use z statistic ,…

Q: Test the claim that the mean GPA of night students is larger than 2.9 at the 0.005 significance…

A: See the handwritten solution

Q: Test the claim that the mean GPA of night students is smaller than 2.9 at the 0.10 significance…

A:

Q: Test the claim that the mean GPA of night students is smaller than 2.5 at the 0.01 significance…

A: Given:- Sample size, n= 35.0Population mean μ =  2.5Sample mean x¯ = 2.48Sample standard deviation…