Consider the following conditions. x = 73.26 O = 8.25 n = 38 %3D Test the hypotheses H: H = 79 H: u < 79 Use oc .05 %3D 2.
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- Find the intensities of earthquakes whose magnitudes are (a) R=6.0 and (b) R=7.9.A population of N = 15 scores has a mean of u = 8. One score in the population is changed from X = 20 to X = 5. What is the value for the new population %3D %D mean?amu mun nuo 19. Commute Time to Work A survey of 15 large U.S. cities finds that the average commute time one way is 25.4 minutes. A chamber of commerce executive Technology Step by Step TI-84 Plus Hypothesis Test for the M 1. Enter the data values into L1. 2. Press STAT and move the c 3. Press 2 for T-Test. Step by Step 4. Move the cursor to Data and 5. Type in the appropriate valu
- Fifty male subjects drank a measured amount x (in ounces) of a medication and the concentration y (in percent) in their blood of the active ingredient was measured 30 minutes later. The sample data are summarized by the following information: n = 50 Ex = 112.5 Ex? = 356.25 %3D Ey = 4.83 Ey = 0.667 Exy = 15.255 0 < x < 4.5 Or= 0.875 Or= 0.709 Or= -0.846 Or=0.460 Or= 0.965H. : 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.Given that P(AU B) = 0. 76 P(An B) = 0.36 P(ĀN B) = 0.26 %3D Find P(A U B) 0.86 0.35 0.28 0.24
- A sociologist wants to determine if the life expectancy of people in Africa is less than the life expectancy of people in Asia. The data obtained is shown in the table below. Africa Asia = 63.3 yr. 1 X,=65.2 yr. 2 o, = 9.1 yr. = 7.3 yr. n1 = 120 = 150Suppose P(A)= .4 and P(B) = .1, and suppose A and B are dent. Find P(AUB). indepen- %3Dc= 0.98, o=7.3, and E= 1 Assume that a preliminary sample has at least 30 me n3= (Round up to the nearest whole number.) %3D
- Given the u = 38.27 and o = 3.56, compute the z- score that corresponds to the given score X = 35.52. %3D Round your answer to the nearest hundredths.3. In a test of Ho: µ = 85 against Ha: µ > 85, the sample data vield the sample statistic z = 1.64. Find %3D the p-value for the test.When you post a picture on social media, it seems like your friends randomly "like" the picture. Independent of the quality or the humor of the photo, there seems to be a 15.7% chance of the picture being "liked" for any given picture. Let X represent the number of pictures you post until one is "liked." (X represents the photo number that is actually liked.) Find: μx: ox: P(X = 7): P(X 15): P(10 ≤ x ≤ 17):
