Test the claim that the proportion of people who own cats is larger than 40% at the 0.05 significance level H0:p≤0.4 H1:p>0.4 Based on a sample of 800 people, 44% owned cats The p-value is: ___________  (to 2 decimals)

Q: Please help with part F which I got wrong answers: P-value of the sample statistic rounded to 4…

A: Note:  As per the students requirement solving part(f). From the available information, Sample…

Q: sample of n = 56 observations The sum of x is ∑x = 4135 The sum of x² is ∑x² = 315647…

A: Solution

Q: Q2 At a site, the clepith of the sand layer was measured for 10 points, and the results were as…

A: x 1.55 2.41 2.91 3.26 3.41 3.73 3.84 3.99 4.02 4.13   The mean is given by…

Q: Suppose you want to test the mean of quiz scores Ho : H 2 72 versus H, : H < 72. Which of the…

A: Given H0:μ≥72 versus H1:μ&lt;72 sample size is n=25

Q: Independent Samples T-Test Independent Samples T-Test t df p total score -0.651 98 0.517 Note.…

A:

Q: Several students were tested for reaction times (in thousandths of a second) using their right and…

A: State the hypotheses.

Q: need help with part D

A: Sample sizes n1=594 ,n2=506Favorable cases x1=363 ,x2=325Significance level (α) = 0.01Now,p̂1 =…

Q: esc In a 2013 poll, it was found that 0.78 of Americans cover their mouth when sneezing. A…

A: a)The p-value represents the probability of obtaining results as extreme as the observed results,…

Q: A psychologist would like to determine whether there is a relation between dexterity and video game…

A: Given information- Population mean, μ = 84 Sample size, n = 11 Significance level, α = 0.05 We have…

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

A: Given that  Sample size: n =400 Sample proportion: p^=0.12 Population proportion: P=0.20 Level of…

Q: For the previous question, the test statistic is |TS| = _______.          a 1.494 DNR H₀.  Do not…

A: sample x (x-x̄)2 1 49 159.2644 2 48 185.5044 3 59 6.8644 4 52 92.5444 5 79 302.0644…

Q: Sampies OF Companies was CollecRd wosc RUewes n millions) 25, 2,51 4.tj6.7 WAS Carlected as Snown…

A: Mean: The mean is the sum of observations divided by number of observations. that is, Mean = x = Sum…

Q: Claim. Fewer than 92% of adults have a cell phone. In a reputable poll of 1111 adults, 86% said that…

A: given data  claim : P&lt;0.92 n = 1111 p^  = 0.86test statistic = ?

Q: What percentage of respondents have at least 6 pairs of shoes.B. 62% of all respondents that have…

A: In this context, X  denotes the number of pairs of Shoes. The total number of students is 65. Given,…

Q: Consider ratings of 4 “Agree” or 5 “Strongly Agree” to mean that test takers have obtained a “high”…

A: In this question, we are tasked with calculating the item discrimination index (d) for BRS Item 3,…

Q: Test the claim that the proportion of people who own cats is smaller than 70% at the 0.01…

A: Given: Sample size (n) = 500 The hypotheses are as follow: H0: p = 0.70 H1: p &lt; 0.70 Sample…

Q: Test the claim that the proportion of men who own cats is significantly different than 45% at the…

A: Solution: Let X be number of men owned cats and n be the sample number of men. From the given…

Q: IN A Sample you had 6503 out of 8896 voters who Supported a candidate. Test that the proportion of…

A: Given that  Sample size n =8896 Favorable cases x =6503 Sample proportion p^=x/n  =6503/8896 =0.7310

Q: What is H0? Group of answer choices: 1. pyounger = polder 2. polder = .45 and pyounger = .55 3.…

A: We know that  Null Hypothesis H0: A hypothesis in which there is no significant difference between…

Q: A question of medical interest is whether jogging leads to a reduction in blood pressure. To learn…

A:

Q: d. The degrees of freedom = e. The test-statistic for this data = (Please show your answer to three…

A: Hypothesis: H0 : There's a difference in the lane when there's traffic. Outcome Frequency Oi…

Q: Please answer number 13.

A: It is given that 43% had no children, 18% are had one child, 18% are have two children, 21% have…

Q: Test the claim that the proportion of people who own cats is smaller than 70% at the 0.01…

A: Hypothesis  Ho: p=0.70 vs H1: p&lt; 0.70 Given  Alpha= 0.01, pcap= 0.64, n=500

Q: Several students were tested for reaction times (in thousandths of a second) using their right and…

A: In question, We'll discuss the hypotheses for test.

Q: A group of 9 concertgoers was selected at random. Before the concert they were given a hearing test,…

A: The appropriate Null and Alternative Hypotheses are given below: From the given information, the…

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

A: The value of z-test statistic is,

Q: Is the amount of sodium (in milligrams) in brand-name cereals the same as the amount of sodium in…

A: The null and alternate hypothesis are  H0=μ1=μ2HA=μ1≠μ2 Level of significance , α=0.10 Test…

Q: A study was conducted to determine the proportion of people who dream in black and white instead of…

A: There are two independent samples which are over 55 and under 25. We have to test whether the…

Q: Is the proportion of wildfires caused by humans in the south lower than the proportion of wildfires…

A: It is needed to find the p-value for the test to determine whether the proportion of wildfires…

Q: Q2: The following data represent the weight loss in pounds of individuals on a five-week weight…

A: Note : As per the company guidelines, only three subparts can be answered at a time. Kindly,…

Q: The claim that the proportion of accidental deaths of the ederly attribute to resident falls is more…

A: Hypotheses: The null and the alternative hypotheses are,  H0:p=0.20H1:p&gt;0.20

Q: An education researcher is comparing 4 different algebra curricula. 8 students are randomly assigned…

A: Given : F - value = 2.5 MSwithin = 10 Level of significance = 0.05

Q: Can you please do number 5 and find the Ho, Ha, the p value and write the conclusion and the steps

A: Given that:The sample of 200 deaths by bicycle.Level of significance= 5%Number of days= 7

Q: 2. It is believed that the mean number of dogs owned by dog-owning households s= .29. Carry out an…

A:

Q: The agent of a popular American singer wants to see if there is a difference in the average price of…

A: Given information: The data is given. Sample size:n1=20n2=25α=0.05   Find: Test the given claim and…

Q: xamine your t-test score in the paired samples t-test table. Is the p value significant? State in…

A: Given : Wit 99 degree of freedom, the T-statistic score = 20.259

Q: P(-2.5 < t < 2.5) with a sample size of 15 ?

A: Given that  Sample size (n) = 15 Degrees of freedom (df) = (n-1) = 15-1 = 14   Here asked about…

Q: A random sample of n1 = 299 voters registered in the state of California showed that 146 voted in…

A: Two sample proportion z test: Two sample proportion z test is used to test the significance…

Q: What are the hypotheses for this test? Let pg be the of the right and left hand reaction times. Họ:…

A: The following table is obtained:   Right Hand (Sample 1) Left Hand (Sample 2) Difference =…

Q: (SR 7.19) According to a Gallup poll, 63% of concession stand workers like the smell of their…

A:

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.