Let X be the sum of the roll of two fair six-sided dice. Find P[X = 8 | X = 7 or X = 8] A. 1/9 B. 5/36 C. 2/5 D.4/11 F. 5/11
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Q: State whether the data described below are discrete or continuous, and explain why. The total…
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A: According to the provided information, B = 14 N = 50
Q: sample proportion is p= und to three decimal places as needed.)
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Q: Find the z-score that corresponds to the 67th perentile. O A. 0.44 O B. 0.67 OC. -0.44 O D. -0.67
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Q: 11 12 •B 13 12 11 7- 19 Which point represents (3, 31/4) Select one: O A O B O F O E ire
A: Explanation of the answer is as follows
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Q: Y: Y₁: Y2: Y3: X Y 1 1 1 5 6 6 5 5 2 6 7 7 1 1 222 2 2 3 3 3 3 3 Sums A MSB: MSW: F: 99 6 6 7 8 8…
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Q: Let p represent the proportion of Santa Fe black-on-white potsherds at the excavation site. Find a…
A: Santa Fe black-on-white is a type of pottery commonly found at archaeological excavations at a…
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Q: Coal is carried from a mine in West Virginia to a power plan in New York in hopper cars on a long…
A: Note: Thank you for the question. Since the complete information is missing in the question, it is…
Q: Suppose the mean of X is 6. What is the mean of Y if a = 0.66 and Y=aX?
A: From the provided information, Mean of X is 6 that is E (X) = 6 a = 0.66
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Q: State whether the data described below are discrete or continuous, and explain why. The numbers of…
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Q: Which of the following are required to use the t test (remember there is both the variable you are…
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A: 11) In the figure, WX is the midsegment of trapezoid PQRS. By the Trapezoid Midsegment theorem, the…
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- Suppose X∼Bin(20,0.8).X∼Bin(20,0.8). What is the variance of XX? A. 15 B. 16 C. 5 D. 10 E. 3.2The odds in favor of Michael Jordan making a free throw were 21:4. Find the probability of Michale Jordan missing a free throw. Give answer as a decimal to the nearest hundredth.) Find the slugging average for a player with the following statistics: S = 68 D = 40 T = 4 HR = 16 AB = 320
- A class of students took a test. The instructor said that the 75th percentile score was 90 out of 100. What does this mean? A. 90% of the students scored 75 or more on the test. B. 75% of the students scored 90 or more on the test. C. 25% of the students scored 90 or more on the test. D. The high score in the class was (.75)(90).For this problem, carry at least four digits after the decimal in your calculations. Answers may vary slightly due to rounding. Santa Fe black-on-white is a type of pottery commonly found at archaeological excavations at a certain monument. At one excavation site a sample of 602 potsherds was found, of which 370 were identified as Santa Fe black-on-white. (a) Let p represent the proportion of Santa Fe black-on-white potsherds at the excavation site. Find a point estimate for p. (Round your answer to four decimal places.) (b) Find a 95% confidence interval for p. (Round your answers to three decimal places.) lower limit upper limit Give a brief statement of the meaning of the confidence interval. 95% of all confidence intervals would include the true proportion of potsherds. 5% of all confidence intervals would include the true proportion of potsherds. 95% of the confidence intervals created using this method would include the true proportion of potsherds. 5% of the confidence intervals…Let p be the population proportion of successes, where a success is an adult in the country who would travel into space on a commercial flight if they could afford it. State H0 and Ha. Select the correct choice below and fill in the answer boxes to complete your choice. (Round to two decimal places as needed.)
- State whether the data described below are discrete or continuous, and explain why. The numbers of wheels on different vehicles Choose the correct answer below. O A. The data are discrete because the data can take on any value in an interval. O B. The data are continuous because the data can only take on specific values. O C. The data are discrete because the data can only take on specific values. O D. The data are continuous because the data can take on any value in an interval.For this problem, carry at least four digits after the decimal in your calculations. Answers may vary slightly due to rounding.Santa Fe black-on-white is a type of pottery commonly found at archaeological excavations at a certain monument. At one excavation site a sample of 580 potsherds was found, of which 370 were identified as Santa Fe black-on-white. (a) Let p represent the proportion of Santa Fe black-on-white potsherds at the excavation site. Find a point estimate for p. (Round your answer to four decimal places.)(b) Find a 95% confidence interval for p. (Round your answers to three decimal places.) lower limit upper limitAlpha is usually set at .05 but it does not have to be; this is the decision of the statistician. Alpha is usually set at .05 but it does not have to be; this is the decision of the statistician. True False
- Fill in the rest of the joint distribution so that X and Y are independent. There are two possible answers: Y 0 1 X=0 1 ? 2/9 2/9HAV is a deformation of the big toe that often requires surgery. Doctors used X-rays to measure the angle (in degrees) of deformity in 38 consecutive patients under the age of 21 who came to a medical center for surgery to correct HAV. The angle is a measure of the seriousness of the deformity. Here are the data. 292216 321828 231529 352322 372249 261623 263328 202530 321933 242138 262230 112023 2124 It is reasonable to regard these patients as a random sample of young patients who require HAV surgery. Given a 95% confidence interval for the mean HAV angle in the population of all such patients, find the following. x (mean) = s=(standard deviation) = Confidence Interval: ° to ° Conclusion 1) We are 95% confident that the mean HAV angle among such patients is within this interval. 2) We are 95% confident that the mean HAV angle among such patients is outside this interval. 3) The mean HAV angle among such patients will always be outside this interval 95% of…. The statistic of z = -1.94 is obtained when testing the claim that p = 3⁄8
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