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- Focus on the question in this picture, read it carefully and answer it. What is the mean weekly salary at this video store?X 6.3.10 Question Help Three randomly selected households are surveyed. The numbers of people in the households are 2, 4, and 9. Assume that samples of size n = 2 are randomly selected with replacement from the population of 2, 4, and 9. Construct a probability distribution table that describes the sampling distribution of the proportion of odd numbers when samples of sizes n= 2 are randomly selected. Does the mean of the sample proportions equal the proportion of odd numbers in the population? Do the sample proportions target the value of the population proportion? Does the sample proportion make a good estimator of the population proportion? Listed below are the nine possible samples. 2,2 2,4 2,9 4,2 4,4 4,9 9,2 9,4 9,9 Construct the probability distribution table. Sample Proportion Probability (Type an integer or fraction.)B. Direction: Read each statement carefully. Write the of the correct answer on the blank provided. A. (H, T) 1. What is the sample space when a coin is tossed once? B. (h,T), (t, H), (t, T) C. ((T, H), (t, H), (T, h) D. ((T,h), (h,H), (T,T)) 2. What is the n(S) when a pair of dice is rolled? A. 2 B. 6 C. 12 D. 36 3. It is a subset of the sample space. A. Outcome B. result C. event D. probability experiment 4. The color wheel at the right is spun. Assume that the arrow will never fall on the lines separating the sectors. What is the sample Space?. A. S = (red, yellow, green, blue) C. S fred, green, blue) Vellow Blue Green Red B. S fred, yellow, green) D. S green, blue) 5. A drawer has 5 blue ties, 2 red ties, and 3 red ties. A tie is picked at random. What is the total number of possible outcomes? A. n(S) = 2 B. n(S) = 3 C. n(S) = 5 D. n(S) = 10
- Monthly telephone charges for cell phone in the United States are normally distributed with a mean of $62 for a single user. Coach Keefer thinks that leasing smart phones has increased the monthly cell phone bill for a single user. H: μ- 62 H : μ 62 O Ho : µ= 62 H : μ> 62 O Ho : µ= 62 H : μ 62 a O Ho : 62 Ha : ữ + 62use the OLS approach to estinstimate relationship between maize yields and fertilizer applications given the table below; interpret your results. maize yields; 31, 36, 29, 34, 62, 60, 45, 31, 42, 48 fertilizer; 23, 25, 19, 35, 32, 54, 26, 20, 18, 23In triangle STU, line TV and line UW are medians, Determine TV and WG if TG = 20 feet and UW = 39 feet.
- HAV 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…Use the display of data to find the mean, median, mode, and midrange. Q 9 10 11 12 13 14 15 16 8 Score The mean of the data is (Round to the nearest tenth as needed.) The median of the data is (Round to the nearest tenth as needed.) Select the correct choice below and, if necessary, fill in the answer box to complete your choice. AouenbelIdentify the population and the sample. Describe the sample data set. A survey of 170 law firms in a country found that the average hourly billing rate for partners was $658. Identify the population. Choose the correct answer below. all partners all law firms in the country all people in the country the law firms that were surveyed Identify the sample. Choose the correct answer below. all partners all people in the country all law firms in the country the law firms that were surveyed Describe the sample data set. Choose the correct answer below. O A. The average hourly billing rate for partners of 170 law firms was $658. B. The 170 law firms