Test the hypothesis using the P-value approach. Ho p=0.70 versus H₁: p<0.70 n = 150, x=95, α = 0.01 Perform the test using the P-value approach. P-value = (Round to four decimal places as needed.)
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- d. Find the p-value for the test. p-value=enter your response here (Round to three decimal places as needed.)$ Cardiology, Radiology The conventions of cardiac echocardiography are derived from comprehensive studies performed by technicians and cardiologists. Traditionally, patients are positioned supine (i.e., lying on their back), although there is no evidence to support this practice. Clinicians in the emergency department (ED) are sometimes faced with acutely ill patients who cannot tolerate the supine position. For this reason, a study is planned to compare ultrasound studies performed while a patient is supine vs. while a patient is upright. Patients ≥ 18 years of age who present to the ED with chest pain or shortness of breath and consent to the study will be enrolled. Each patient will receive two ultrasound studies, one in the supine position and one in the upright position. The order of administration of the two studies will be at random. Readers will review the images in a blinded manner and assess a number of clinical characteristics. An important endpoint is pericardial effusion…The test statistic for Ho: p = 0.75 versus HA: p > 0.75 is z = -3.05. What is the p-value for this test? Round to four decimal places. p-value
- Based on the statement “Can you conclude that the mean wind speed when it is less than 12m/s? Use α = 0.10.”, it is a _______. I. One tail test on the right-hand side II. One tail test on the left-hand side III. Two tails test on both right-and-left hand sidesA researcher wanted to determine if carpeted rooms contain more bacteria than uncarpeted rooms. The table shows the results for the number of bacteria per cubic foot for both types of rooms. T2 H₁ H₂> H₂ D. Hp: P₁ P₂ Determine the P-value for this hypothesis test. P-value= (Round to three decimal places as needed.) an example Get more help - Search LOLO www (DELL Carpeted 10.3 13.2 12.5 6.7 9.7 11.3 Full data set C Uncarpeted 11.2 9.3 12 10.7 7.9 8.5 5.8 7.4 8.4 10.6 Clear allHorsepower Cars currently sold in the United States have an average of 135 horsepower, with a standard devi-ation of 40 horsepower. What’s the z-score for a car with 195 horsepower?
- Pearson's r: what does this mean r = .94, p = .01?Find the Z-score if X = 23, µ-17, o = 2.5 Write the Z-score rounded to 2 decimal places. M SAMSUAssume that z is the test statistic. (Give your answers correct to two decimal places.) (c) Calculate the value of z for H,: u = 18.2, o = 3.7, n = 137, x = 19.01. (d) Calculate the value of z for H.: u = 81, o = 13.2, n = 46, x = 78.7. %3D
- H. : p = 0.65 and H, : p > 0.65 where p= the proportion of students who were quarantined at some point during the Fall Semester of 2020. Identify the correct explanation for a Type Il error. O Conclude the percent was higher than 65%, but it was not higher. Conclude the percent was higher than 65% and it was higher. O Did not conclude the percent was higher than 65%, but it was higher. O Did not conclude the percent was higher than 65% and it was not higher.(b) Test the hypothesis that whether people drink wine is independent of whether people watch tennis. Set α = .05. (Round your answer to 3 decimal places.)Sleep Time A person read that the average number of hours an adult sleeps on Friday night to Saturday morning was 7.1 hours. The researcher feels that college students do not sleep 7.1 hours on average. The researcher randomly selected 16 students and found that on average they slept 8.1 hours. The standard deviation of the sample is 1.2 hours. At a=0.10, is there enough evidence to say that college students do not sleep 7.1 hours on average? Assume that the population is approximately normally distributed. Use the critical value method and tables.