c. Let λ = 2.0, find P(X ≤ 2). d. Let λ = 3.6, find P(X≥ 1). e. Let λ = 5.4, find P(X ≤ 3).
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- Which table has a constant of proportionality y and x of 0.6Evaluate E =z" n1 for z" = 1.77, o, = 0.84, a2 = 0.69, n, = 19, and n2 = 53. n2 E = (Round to two decimal places as needed.)A meeting of the elders was held in a village in the early 1400's. In the meeting, the date of a future ceremony was first set, and the attendees were instructed to spread the date to their fellow villagers. In the table below, t represents the number of days that had passed since the meeting, and V represents the number of villagers that had acquired the date of the ceremony. t V 2 475 B. 4 722 Logistic y= C 1+ ae-bx 9 1748 OC. Exponential (y = a • b*) O D. Linear (y = mx + b) 16 3591 Use the data to construct a scatter plot, then complete the following. 1) Using the scatter plot and the context of the problem, which of the following best describes the pattern? O A. Quadratic (y = ax² + bx + c) 21 4370 24 4541 Approximately how many villagers were at the meeting of the elders? About 4758 villagers were at the meeting. According to the model, about 302 villagers will eventually know the date of the ceremony. 2) Using your calculator and the best of the four methods above, find the…
- Find the GPA of a student if he gives average hours to study by using regression analysis. A random sample of ten students is selected from a class of 60 students, find regression line and also find the GPA of a student if he gives average hours to study by using this regression analysis. Their GPA and the hours to study are given below: GPA 2.5 3.1 3.6 3.2 2.9 3.7 2.9 2.4 3.3 3.5 Hours to study 3 5 7 5 3 8 4 2 5 7 Also interpret the regression coefficient.K A meeting of the elders was held in a village in the early 1400's. In the meeting, the date of a future ceremony was first set, and the attendees were instructed to spread the date to their fellow villagers. In the table below, t represents the number of days that had passed since the meeting, and V represents the number of villagers that had acquired the date of the ceremony. t V 2 400 4 608 Logistic y= (y= ₁ + ac-DX) bx 1 ae O B. Linear (y = mx + b) OC. Quadratic (y = ax²+bx+c) OD. Exponential (y=a•b*) 9 1472 16 3024 Use the data to construct a scatter plot, then complete the following. 1) Using the scatter plot and the context of the problem, which of the following best describes the pattern? O A. According to the model, about know the date of the ceremony. 21 3680 Approximately how many villagers were at the meeting of the elders? About villagers were at the meeting. 24 3824 2) Using your calculator and the best of the four methods above, find the model that approximates the…Which one of the following is the covariance of the given variables X and Y? x=X-X y%3DY-Y X-X)( Y-Y )=xy Y 3 12 20 1 7 10 23 5 18 24 11 30 2 10 48 144 Select one: 156.25 25.88 12.5 53.75
- 2. Participants were kept awake for a certain number of hours before given a visuospatial task. Researchers measured how many correct responses each participant had. Results are shown below. Use alpha = .01. Number of Correct Hours Kept Awake (X) Responses (Y) 21 X = 10 SS, = 422 Y = 10 SS, = 690 2 4 19 %3D 6. 13 SPxy =-525 ху 5 20 S, =5.70 S, = 7.29 9. 11 10 9. 14 5 15 5 17 2 18 1 17 1 13 4 18 8 11 A. Graph the data. B. State the hypotheses. C. Make a decision about the null. a. Calculate Pearson's r i. Decision about null hypothesis? b. Calculate effect size i. Interpret effect size. D. State your conclusion. E. Relate your conclusion to the research. F. Calculate the regression formula. G. If someone was kept awake for 9 hours, what is the predicted number of correct responses?3. Regression analysis breaks scores on the DV into... (explain and give equations)he data below represent the responses to two questions asked in a survey of 40 college students majoring in business: What is your gender? (M=male; F=female) and What is your major? (A=Accounting; C=Computer Information Systems; M=Marketing). Complete parts (a) and (b). Gender: F M F F M F M F M F Major: A M M A C M C A C C Gender: M F M F F M F F M M Major: M C C M C A A M C M Gender: M M M F F F F M F M Major: C M M A M C C A M M Gender: F M F F F M M F F M Major: C M C A M A C A M M Question content area bottom Part 1 a. Tally the data into a contingency table where the two rows…