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 hypotheses would be: H0:p=0.65 H1:p<0.65 H0:p=0.65 H1:p>0.65 H0:p=0.65 H1:p≠0.65 H0:μ=2.6 H1:μ≠2.6 H0:μ=2.6 H1:μ<2.6 H0:μ=2.6 H1:μ>2.6 Based on a sample of 33 people, the sample mean GPA was 2.59 with a standard deviation of 0.2 The p-value is:  (to 3 decimals) The significance level 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: isted below are the lead concentrations in uglg measured in different traditional medicines. Use a…

A: H0: μ = 13 μg/g       vs     H1: μ &lt; 13 μg/g         To check:   The readings are given as:…

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: students is smaller than 2.4 at the .10 significance level. The null and alternative hypothesis…

A: Given that  Hypothesized Population Mean (\mu)(μ) = 2.42.4 Population Standard Deviation…

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: The null and alternative hypothesis would be:   H0:p=0.1H0:p=0.1 H1:p≠0.1H1:p≠0.1 H0:μ≥0.1H0:μ≥0.1…

A:

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: You are asked to test the null hypothesis at the .05 level of significance and you end up with…

A: It is given that the z-observed value is -1.83.

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: Percent frequency distributions created in Excel using PivotTables for each of the key variables:…

A: Percent frequency distribution using Pivot table for the variable “Number of items purchased”: The…

Q: Test the claim that the proportion of people who own cats is smaller than 90% at the 0.01…

A: State the hypotheses. Correct option: Option 2     Determine the tail of the test used.   The tail…

Q: Test the claim that the mean GPA of night students is smaller than 2.4 at the .10 significance…

A: Given data : sample size, n = 30 sample mean, x̄ = 2.35 sample standard…

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 proportion of people who own cats is larger than 50% at the 0.10…

A: Given: n= 400 ,x= 224 p= 0.5 ,significance level(∝)= 0.1 p̂= 0.56

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: Independent random samples from normal populations produced the results shown in the table to the…

A: Given n1=5 n2=4

Q: Test the claim that the mean GPA of night students is significantly different than 3.1 at the 0.02…

A: Solution

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

A: R COMMAND HAS GIVEN TO CALCULATE CRITICAL VALUE.

Q: It is expected that a treatment will reduce scores on a variable. If α = .05, what is the critical t…

A:

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 proportion of men who own cats is larger than 35% at the .05 significance…

A: Given, Sample size = 20 Sample proportion = 0.30   Under the claim, the null and alternative…

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

A: The test hypotheses are: Null hypothesis: H0: μ ≤ 2.2 Alternative hypothesis: H1: μ &gt; 2.2

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 2.8 at the 0.05…

A: Given,sample size(n)=75sample mean(x¯)=2.84standard deviation(s)=0.05α=0.05H0:μ=2.8H1:μ≠2.8 degrees…

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

A:

Q: Based on a sample of 40 people, the sample mean GPA was 2.15 with a standard deviation of 0.04 The…

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: You wish to test the following claim (HaHa) at a significance level of α=0.10α=0.10.…

A: given data n = 100x¯ =71s = 12.6α = 0.10claim : μ &gt;69.1

Q: researcher is conducting an experiment to evaluate a treatment that is expected to decrease the…

A:

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: When the P - value is equal to the alpha level, the null hypothesis should be accepted.

A: P-value is the probability value which is derived from test statistic and it is useful to decide…

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

A: we have given that  the sample size (N)=400   , population proportion (p) =0.70  and sample…

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

A:

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 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 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 larger than 2.6 at the .025 significance…

A:

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 mean GPA of night students is larger than 3.1 at the .025 significance…

A: Given Sample mean x̄=3.15, n=55, sample standard deviations s=0.03 , level of significance ɑ=0.025…

Q: Test the claim that the mean GPA of night students is significantly different than 3.1 at the 0.1…

A:

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

A: Givensignificance level(α)=0.1sample size(n)=300sample proportion(p^)=0.49

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.