Suppose we want to test the null hypothesis H0 : p = 0.34 against the alternative hypothesis H1 : p > 0.34. Suppose also that we observed 120 successes in a random sample of 300 subjects and the level of significance is 0.05. What is the p-value for this test? Select one: a. 0.4 b. 0.0143 c. 0.9857 d. 0.05

Q: Test the claim that the mean GPA of night students is smaller than 2.5 at the .05 significance…

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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: The Northwest Missourian reported that 17% of all Northwest students attended a Northwest Encore…

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Q: Test the claim that the proportion of men who own cats is larger than 90% at the 0.01 significance…

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Q: a sample of n=16 individuals is selected from a population with u = 30. After a treatment is…

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Q: You do a hypothesis test of H0: μ = 5 vs Ha: μ ≠ 5 at significance level 0.05.   You collect a…

A: Solution : H0 : μ = 5 vs Ha: μ ≠ 5 significance level = 0.05 test statistic, z = 2.10  p value =…

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 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: Suppose we want to test the null hypothesis H0 : p = 0.34 against the alternative hypothesis H1 : p…

A: We have to find the critical value for testing the hypothesis test for proportion.

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 proportion of people who own cats is smaller than 40% at the 0.005…

A: Given  alpha=0.005, p=0.40 n=200, pcap=0.39

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 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 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: Researchers claim that the birth rate in Bonn, Germany is higher than the national average. A random…

A: Solution-: Let,  and   be proportion of population 1 and population 2 respectively. Given: We find,…

Q: A One-Sample t-test is conducted and the APA summary is t(200) = 5.02, p < .05. The effect size was…

A: Hypothesis test are used to compute whether the null hypothesis rejected or not. Hypothesis is the…

Q: What is the p-value and the correct decision for this   test?

A: Given : n=50 , X=18 , p0=0.40 , α=0.05 Our aim is to find the p-value and the correct decision for…

Q: The proportion of mango trees on an island that produce only dwarf fruit is p1. The proportion of…

A: The proportion of mango trees on an island that produce only dwarf fruit is p1.  The proportion of…

Q: d in testing if this sample provides evidence that the proportion of Americans who are dissatisfied…

A: Consider the null hypothesis H0 and alternate hypothesis Ha given as: H0:μ=0.5Ha:μ≠0.5 Given,…

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: A random sample ef n, - 292 veters registered in the state of Cafernia showed that 144 voted in the…

A:

Q: The rate of allergies in children was 15% in 2002. A medical researcher is curious whether advances…

A: Denote p as the true rate of allergies in children.

Q: A sample of n=25 individuals is randomly selected from a population with a mean of u=65, and a…

A: For the given data perform t test for one mean

Q: est the claim that the mean GPA of night students is smaller than 2.8 at the 0.025 significance…

A: The claim is given that the mean μ GPA of night students is smaller than 2.8. Therefore the…

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

A:

Q: A publisher reports that 48 % of their readers own a personal computer. A marketing executive wants…

A: The publisher reports that 48% of their readers own a personal computer.

Q: A One-Sample t-test is conducted and the APA summary is t(9) = 5.02, p < .01.  The effect size was…

A: Decision Rule: Reject the null hypothesis, if the effect size is greater than 0.8.

Q: In hypothesis testing, the common level of significance is a = 0.05. Some might argue for a level of…

A: The Null Hypothesis is  a hypothesis that the proportion equals to a particular value and the…

Q: ng habits of adults in a certain region of the country are in the same proportion as the general…

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Q: Find the​ P-value for a​ left-tailed hypothesis test with a test statistic of z=−1.42. Decide…

A: P( z &lt; -1.42 ) = NORMSDIST( -1.42) ------ Excel function                      = 0.0778…

Q: A researcher wants to study the impact of a new artificial sweetener on blood glucose. He is…

A: The appropriate experiment is to be identified, where the two-sample z-test can be applied to…

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: With H1: p < 0.32, a test statistic is z = -1.23.  Use a 0.01 significance level to find the…

A: Given that,null,  Ho:p=0.32  alternate,  H1: p&lt;0.32level of significance, alpha = 0.01

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 smaller than 3.4 at the .005 significance…

A:

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: A teacher giving a true/false test wants to make sure her students do better than they would if they…

A: It is given that the level of significance is 0.10.

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: Suppose we want to test the null hypothesis H0 : p = 0.34 against the alternative hypothesis H1 : p…

A: Solution Given hypothesis H0 : p = 0.34 against H1 : p &lt; 0.34 Sample=x=120 N = 300 P(cap) =…

Q: Test the claim that the mean GPA of night students is smaller than 2.4 at the .05 significance…

A: Given: μ0=2.4α=0.05n=60x¯=2.37s=0.02

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

A:

Q: In a hypothesis test with hypotheses Ho : p= 0.26 and H1 :p+ 0.26, a random sample of size 771…

A: Given Information n = 771 Hypothesized proportion = 0.26 Sample proportion = 0.2450 Hypothesis: H0­…

Q: In a hypothesis test with hypotheses H.:H2 74 and H,: < 74 a random sample of 20 elements selected…

A: Given n=20, Xbar=67.8, s=11.9, mu=74 Sigma( unknown) so we use t statistic for testing the…

Q: What is the observed test statistic for this test?

A: Given : n=20 , X=12 , p0=0.60 , α=0.01 Our aim is to find the value of the observed test statistic…

Q: Test the null hypothesis H0:μ=3.9 against the alternative hypothesis HA:μ≠3.9 based on a random…

A:

Q: Test the claim that the mean GPA of night students is smaller than 3.1 at the 0.025 significance…

A: Here, the claim of the test is that the mean GPA of night students is smaller than 3.1.The test…

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

A: Given,sample size(n)=60sample mean(x¯)=2.18standard deviation(s)=0.04α=0.005

Q: uppose in a hypothesis testing, we obtained a pp-value of 0.003.  Which of the following is/are…

A: he correct is D that is this pp value indicates a big effect size. p value is basically the is the…

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.…