**Experiment Overview:**At the age of 9, a girl conducted a science fair experiment to test if professional touch therapists could sense her energy field. In her experiment, she flipped a coin to choose either her right or left hand randomly, then asked the therapists to identify the selected hand by placing their hand just under hers without seeing or touching it. The experiment was repeated for 241 trials, with the touch therapists making 100 correct guesses.**Statistical Analysis:**The purpose is to test the hypothesis that touch therapists use a method equivalent to random guessing.- **Let \( p \) denote the population proportion of correct hand selections by touch therapists.****Hypotheses:**- **Null Hypothesis (\( H_0 \)):** \( p = 0.5 \) (Indicating random guessing)- **Alternative Hypothesis (\( H_1 \)):** \( p \neq 0.5 \) (Values are given as integers or decimals without rounding.)**Analysis Details:**- **Test Statistic:** \[ z = -2.64 \] (Rounded to two decimal places as necessary.)- **P-value:** A box is provided to enter the P-value, which needs rounding to three decimal places. The graph or diagram consists of a structured layout of statistical information leading to the conclusion about the effectiveness of touch therapists based on their ability to sense the energy field, comparing their performance to random guessing.

Answered: Image /qna-images/answer/28010b4f-4542-497f-807b-dce4e6c8f0ae.jpgtest statistic = - 2.79 p-value = 0.005

Answered: Let p denote the population proportion…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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State whether each standardized test statistic y allows you to reject the null hypothesis. Explain. x =5.892 Xổ - 22.362 (a) x = 22.360 (b) x? = 5.890 (c) x = 5.894 (d) x = 22.364 (a) Choose the correct answer below. O A. Reject the null hypothesis because the standardized test statistic is in the rejection region. O B. Reject the null hypothesis because the standardized test statistic is not in the rejection region. C. Do not reject the null hypothesis because the standardized test statistic is in the rejection region. O D. Do not reject the null hypothesis because the standardized test statistic is not in the rejection region. (b) Choose the correct answer below. O A. Reject the null hypothesis because the standardized test statistic is in the rejection region. O B. Do not reject the null hypothesis because standardized the test statistic is not in the rejection region. O c. Do not reject the null hypothesis because the standardized test statistic is in the rejection region. O D.…
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A null hypothesis states that p=.3, the observed sample proportion is p= 41 with a sample size of n-67. Determine the z-score. O 0.82 O-1.47 O-0.91 O 1.96
e me Claim: Most adults would erase all of their personal information online if they could. A software firm survey of 553 randomly selected adults showed that 60% of them would erase all of their personal information online if they could. Find the value of the test statistic. The value of the test statistic is (Round to two decimal places as needed) oter 8 oter pter 8 ter 8
In 1992 a national vital statistics report indicated that about 2.3% of all births produced twins. Is the rate of twin births the same among very young mothers? Data from a large city hospital found only 7 sets of twins were born to 455 teenage girls. Test an appropriate hypothesis and state your conclusion. Be sure the appropriate assumptions and conditions are satisfied before you proceed. Are the assumptions and the conditions to perform a one-proportion z-test met? ... No Yes State the null and alternative hypotheses. Choose the correct answer below. A. Ho: p=0.023 HA: P >0.023 B. Ho: p=0.023 HA: P = 0.023 C. Ho: p=0.023 HA: P<0.023 D. The assumptions and conditions are not met, so the test cannot proceed. Determine the z-test statistic. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. OA. Z= (Round to two decimal places as needed.) OB. The assumptions and conditions are not met, so the test cannot proceed.
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Test the claim that the proportion of people who own cats is smaller than 70% at the 0.05 significance level. Based on a sample of 100 people, 69% owned catsThe test statistic is: ? (to 2 decimals)The p-value is: ? (to 2 decimals)
Describe type I and type II errors for a hypothesis test of the indicated claim. A shoe store claims that no more than 25% of its new customers will return to buy their next pair of shoes. Describe the type I error. Choose the correct answer below. 16 OA. A type I error will occur when the actual proportion of new customers who return to buy their next pair of shoes is at least 0.25, but you reject Ho: p≥ 0.25. B. A type I error will occur when the actual proportion of new customers who return to buy their next pair of shoes is no more than 0.25, but you fail to reject Ho: p ≤ 0.25. C. A type I error will occur when the actual proportion of new customers who return to buy their next pair of shoes is at least 0.25, but you fail to reject Ho: p≥ 0.25. D. A type I error will occur when the actual proportion of new customers who return to buy their next pair of shoes is no more than 0.25, but you reject Ho: p≤0.25. Describe the type II error. Choose the correct answer below. O A. A type II…
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Use the sample data below to test the hypotheses where p is the population proportion of yes responses for population i. Using a .05 level of significance
Suppose are running a study/poll about the proportion of men over 50 who regularly have their prostate examined. You randomly sample 102 people and find that 87 of them match the condition you are testing. Suppose you are have the following null and alternative hypotheses for a test you are running: Ho:p = 0.86 Ha:p < 0.86 Calculate the test statistic, rounded to 3 decimal places. Z = Question Help: D Video Submit Question hp % & 3 4 7 8 5
A golf association requires that golf balls have a diameter that is 1.68 inches. To determine if golf balls conform to the standard, a random sample of golf balls was selected. Their diameters are shown in the accompanying data table. Do the golf balls conform to the standards? Use the a= 0.05 level of significance. Click the icon to view the data table. - X Data Table Golf Ball Diameter (inches) First determine the appropriate hypotheses. 1.677 1.681 Ho ▼ 1.678 1.686 ▼ H₁ ▼ 1.684 1.673 (Type integers or decimals. Do not round.) 1.682 1.675 Help me solve this View an example H Type here to search O 3 4 F T Get more Bi a & 6 B 7 U hp a 1.682 1.685 1.684 1.685 Print O 9 Done (?) O 95°F Mostly sunny ^ ver 1:43 PM 6/18/2022

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