Test the claim that the mean GPA of night students is significantly different than 2.8 at the 0.05 significance level. The null and alternative hypothesis would be: Ho:p = 0.7 H:p = 0.7 Ho:µ = 2.8 Ho:p = 0.7 Ho:µ = 2.8 Ho:µ = 2.8 o H1:p > 0.7 H1:p # 0.7 H1: µ # 2.8 H1:p < 0.7 H1:µ < 2.8 H1:µ > 2.8 The test is: right-tailed two-tailed left-tailed o Based on a sample of 20 people, the sample mean GPA was 2.81 with a standard deviation of 0.08 The test statistic is: (to 2 decimals) The positive critical value is: (to 2 decimals)

Q: Test the claim that the mean GPA of night students is smaller than 2.2 at the 0.005 significance…

A: Given: x¯=2.18s=0.06n=20 Hypothesis: Null hypothesis: H0: μ≥2.2Alternative hypothesis: H1: μ&lt;2.2…

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

A:

Q: The null and alternative hypothesis would be: Ho: µ = 2.9 H1:µ > 2.9 %3D Ho: µ = 2.9 H1 : µ 0.725…

A: As the population standard deviation is not known, we will use a t-test. The following null and…

Q: Test the claim that the mean GPA of night students is smaller than 3 at the .005 significance level.…

A: Given : Sample mean = x¯ = 2.99 Sample standard deviation = s =0.05 Sample size =n = 25 Claim that…

Q: Test the claim that the mean GPA of night students is larger than 3.2 at the .01 significance level.…

A: Given data : sample size, n = 80 sample mean, x̄ = 3.25 sample standard…

Q: Test the claim that the proportion of people who own cats is smaller than 70% at the .01…

A:

Q: Test the claim that the proportion of men who own cats is smaller than 20% at the .01 significance…

A: Givenclaim is that the proportion of men who own cats is smaller than 20%significance…

Q: The null and alternative hypothesis would be: H0:p=0.8H0:p=0.8 H1:p>0.8H1:p>0.8 H0:μ=0.8H0:μ=0.8…

A: Given , p= 0.8 , n= 50 , p^ = 0.74

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

A: Solution: The given claim is that the proportion of people who own cats is smaller than 90%.

Q: Test the claim that the mean GPA of night students is smaller than 3 at the .01 significance level.…

A: The test statistic is,  The degrees of freedom is, df=n-1 The critical value is computed using t…

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

A:

Q: claim that the proportion of men who own cats is smaller than 40% at the .10 significance leve

A: Given that  Claim : The proportion of men who own cats is smaller than 40%. Level of significance…

Q: Test the claim that the mean GPA of night students is smaller than 2.3 at the 0.05 significance…

A: Given Information: Claim: the mean GPA of night students is smaller than 2.3 Significance level…

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

A: The null and alternative hypothesis for above claim:     H0:μN=μDH1:μN&lt;μD   The test is: as the…

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

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

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

A: Sample size(n)=200 sample proportion(p^)=0.18

Q: Test the claim that the mean GPA of night students is smaller than 2.4 at the 0.10 significance…

A: Given data : sample size, n =45 sample mean, x̄ = 2.36 sample standard…

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

A: Given, Sample- 1 (For men) n1 = 40 p^1=x1n1=0.4 Sample- 2 (For women) n2 = 60 p^2=x2n2=0.45

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

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: Test the claim that the proportion of people who own cats is smaller than 80% at the 0.025…

A: Solution : Given that :- n = 500 p = 0.80 p̂ = 0.75 α = 0.025

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 men who own cats is smaller than 30% at the .10 significance…

A: Note:- Since you have posted multiple question we will provide solutions to the first question only.…

Q: A research company wants to determine whether there is a difference in effectiveness of a brand-…

A:

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

A: The given claim is that the mean GPA of night students is significantly different than the mean GPA…

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 mean GPA of night students is significantly different than 2.3 at the 0.05…

A: One sample t-test: One sample t-test is used to test the significance difference between population…

Q: est the claim that the proportion of people who own cats is smaller than 60% at the 0.005…

A: Claim : the proportion of people who own cats is smaller than 60%.

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

A: The provided information are:

Q: Test the claim that the proportion of people who own cats is larger than 40% at the 0.01…

A:

Q: Test the claim that the mean GPA of night students is smaller than 2.2 at the .05 significance…

A: The claim is that mean GPA of night students is smaller than 2.2 Null hypothesis: H0: µ =2.2.…

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

A: The null and alternative hypothesis is, The test is two tailed test. The level of significance is,…

Q: est the claim that the proportion of people who own cats is smaller than 40% at the 0.05…

A: