identify The research hypothesis H1 The null hypothesis HO The rejection region of the null hypothesis H1: H1 – H2 < 0 Họ: H1 - H2 > 0 1. H;: µ1 < H2 2. Ho: H1 2 H2 3. (-00, -tin-1)] 1. H;: H1 > H2 2. Ho: H1 < H2 3. (-00, tin-1] H1: H1 - H2 > 0 Ho: H1 - H2 < 0 H1: H1 - H2 > 0 Họ: H1 – H2 < 0 1. H;: H1 > H2 2. Ho: H1 < H2 3. [tin-1) , 0) 1. H;: H1 < H2 2. Ho: H1 2 H2 3. [t(n-1) , 0) H;: H1 – H2 < 0 Họ: 41 - H2 > 0
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- I need the answer as soon as possiblez-03/16/2021 16:29 00:21:10 The dot plots show a random selection of commute times in two cities. City A City B + 0 5 10 15 20 25 30 35 40 45 50 55 60 Commute Time (in minutes) 11 Which is a valid inference based on the data? The commute times are shorter and more predictable for City A. The commute times are shorter and more predictable for City B. The commute times are shorter for City A but more predictable for City B. The commute times are shorter for City B but more predictable for City A.← → × 10 EXAM 3 OBJS 5, 6, 7 Question 7 of 15 (1 point) | Question Attempt: 1 of 1 Time Remaining: 1:10:32 Christina ✔ r 3 4 5 6 7 8 9 10 11 12 13 = 14 Español 15 Recorded here are the germination times (in days) for 10 randomly chosen seeds of a new type of bean. 14, 11, 10, 10, 12, 20, 15, 19, 21, 21 Send data to calculator Assuming that germination times are normally distributed, find a 95% confidence interval for the mean germination time for all beans of this type. Give the lower limit and upper limit of the 95% confidence interval. Carry your intermediate computations to at least three decimal places. Round your answers to one decimal place. (If necessary, consult a list of formulas.) Lower limit: Upper limit: ☐ × G Continue 96 hp & 7 * α 144 144 ? X Submit Assignment invert
- Chapter 9: Hypothesis X Chapter 9 Test Chapter 9: Hypothesis X Chapter 9: Hypothesis : XOL 8 /24330/assignments/654472?module_item_id=1905251 Translate A school reports that 83% of its graduates get jobs within one year. You take a random sample of 51 graduates, of whom 38 got a job within one year. Is this enough evidence to show that a significantly smaller percent of graduates get jobs than advertised by the school? (Use a=0.01) 1. For this study, we should use Select an answWer 2. The null and alternative hypotheses would be: Ho:? Select an answer v (please enter a decimal) H: ? Select an answer v (Please enter a decimal) 3. The test statistic (please show your answer to 3 decimal places.) %3D 4. The p-value = (Please show your answer to 4 decimal places.) 5. The p-value is ? v a 6. Based on this, we should Select an answer v the null hypothesis. 7. As such, the final conclusion is that O The sample data suggest that the population proportion is not significantly smaller than 83%…2710 @ • SIM 29 قم بال لمس ل لعودة إلى الاتصال ۳ ۰۹:۳ A docs.google.com What is the normal line to the line that passes through (-8 , 0) and (-1, 3) 3x - 7y = - 24 O (x/8) + (7y/24) = 1 O 7x + 3y +56 = 0 7x + 3y + 24 = 0 5x + 7y = 25 %3D O 21y + 49x = 72 (x/8) +(3y/56) = 1 O y = -7x +56 Other:
- End ( X Z Tod Yates's x Assignment x ters.instructure.com/courses/20975/assignments/719156?module_item_id=1667085 18 = Short Essay xⒸ Week 7 Blor x Important Information Unit 4: End of Unit Activity - Independent Events Grading For This Assignment Copy of Bico x hp Activity-What to Turn In ASSIGNMENT 1. If you roll a single die and get 4 fives in a row, what is the probability that you'll get a five on the next roll? 2. What is the probability that you'll get 5 fives in a row when rolling a single die? 3. A roulette wheel has 38 numbers. If the "lucky" number 7 comes up twice in a row, what is the probability it will come up on the very next roll? 4. What is the probability of getting three 7's in a row on a roulette wheel? 5. If I type randint(1,10) on my calculator, I get a random integer between 1 and 10 (inclusive). If I do this 6 times, what is the probability that all 6 outcomes will be a 1? 6. If I roll a pair of dice, what is the probability of getting a pair of sixes? 7. If I…IQ: Scores on a certain IQ test are known to have a mean of 100 . A random sample of 39 students attend a series of coaching classes before taking the test. Let μ be the population mean IQ score that would occur if every student took the coaching classes. The classes are successful if >μ100 . A test is made of the hypotheses =:H0μ100 versus >:H1μ100 . Consider three possible conclusions: (i) The classes are successful. (ii) The classes are not successful. (iii) The classes might not be successful.Seçimimi temizle Suppose that you want to test H, P-0.55 against H: P + 0.55. The appropriate critical values are A) +7x B) 2 C) 1 a2 D) a Lutfen birini seçin. O a- 0.54 based on a sample ot z Suppose that you want to test H. -054 againstH 25 and s. 2 What is the appropriate critical value?
- How would you test the restrictions using both a t-test and an f-test. Regression A: yi = Bo + B1x1 + B2x2 + B3x3 + u Where B is beta. A.) B1 - B2 = 1 B.) B1 + aB2 = 0 (where a is a constant) С.) В2 - ВЗ %3 1 (I am looking for an answer defining the hypothesis, for example: Ho: B1 = 0 Ha: B2 does not = 0)In this problem, assume that the distribution of differences is approximately normal. Note: For degrees of freedom d.f. not in the Student's t table, use the closest d.f. that is smaller. In some situations, this choice of d.f. may increase the P-value by a small amount and therefore produce a slightly more "conservative" answer. At five weather stations on Trail Ridge Road in Rocky Mountain National Park, the peak wind gusts (in miles per hour) for January and April are recorded below. Weather Station 1 4 120 126 64 78 January April 139 104 111 100 88 61 Does this information indicate that the peak wind gusts are higher in January than in April? Use a = 0.01. (Let d = January- April.) (a) What is the level of significance? State the null and alternate hypotheses. Will you use a left-tailed, right-tailed, or two-tailed test? O Ho: Hg> 0; H,: Hj= = 0; right-tailed O Ho: Hg = 0; H,:0; left-tailed O Ho: H = 0; H,:H# 0; two-tailed O Ho: Hg = 0; H, > 0; right-tailed (b) What sampling…5.