what is Jensen’s inequality in regard to expectation/utility
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what is Jensen’s inequality in regard to expectation/utility
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- anna wants to investigate whether there is a relation between the hair- and eye-color of the residents of san pablo. He recorded the hair- and eye-color of 84 residents in san pablo, the results are shown in table 1. Next to it table 2 is shown and a large part of table 3 is shown below, but one value is missing. anna wants to conduct a chi-squared test for contingency tables in order to test his theory. Which of the following claims is correct? Please explain Brown Blue Gray Green Brown Blue Gray Green Black 3 1 Black 5.54 5.36 2.50 1.61 Brown 17 8 4 Brownt 14.02 13.57 6.33 4.07 Red 4 2 Red 3.69 3.57 1.67 1.07 Blonde 1 16 Blonde 7.75 7.50 3.50 2.25 Tafla 1: Observed frequency Tafla 2: Expected frequency Brown Blue Gray Green Black 2.17 1.04 0.10 0.23 Brownt 0.6 0.44 0.00 Red 0.03 0.69 0.07 0.80 Blonde 9.63 0.64 0.03 Tafla 3: Contribution to test statistic 1. anna rejects the null hypothesis and claims that there is a relationship between hair- and eye color of the residents of san…Which of the following statements about geometric mean return is are true: I. Geometric mean return is always less than or equal to arithmetic mean return II. Geometric mean return is used only for grouped data. III. Geometric mean return cannot be a negative number. a. I only d. III only b. I & II c. I & III d. III onlyYou are a car dealer specializing in the sale of 2012 Toyota Camry. Following is the data of seven different cars you have sold in the past. Assume all cars in your shop are in same condition and only odometer (km) reading decides the selling price. An HCT student comes to your shop. Being a student, his budget is limited; he can spend only OMR 3500. Using the forecasting techniques you have studied in our class, develop a relation between two variables. What will be the odometer (km) reading he can expect for his future car?
- (Multiple choice) Which of the following statements correctly describes the difference between discrete and continuous data?Giving a test to a group of students, the grades and gender are summarized below A C Total Male 19 6 8 33 Female 2 9 3 14 Total 21 15 11 47 Let T represent the percentage of all female students who would receive a grade of B on this test. Use a 95% confidence interval to estimate p to three decimal places. Enter your answer as a tri-linear inequality using decimals (not percents). Question Help: DVideo Submit Question MacBook Air 80 888 DII F1 F2 F3 F4 F5 F6 F7 F8 @ #3 $ % & 2 3 4 7 Q W E R Y S D F H. J K C V * 00Which option below contains only things that match each other? p>α, Obt NOT in tail past Crit, Reject H0 p<α, Obt in tail past Crit, Reject H0 p>α, Obt in tail past Crit, Fail to Reject H0 p<α, Obt NOT in tail past Crit, Fail to Reject H0
- Can I get help with question 3Claim: More than 3.9% of homes have only a landline telephone and no wireless phone. Sample data: A survey by the National Center for Health Statistics showed that among 14,682 homes 5.83% had landline phones without wireless phones. Complete parts (a) and (b). a. Express the original claim in symbolic form. Let the parameter represent a value with respect to homes that have only a landline telephone and no wireless phone. > 0.039 Р (Type an integer or a decimal. Do not round.) b. Identify the null and alternative hypotheses. Ho H₂₁: (Type integers or decimals. Do not round.) ▼Let pp represent the percentage of all female students who would receive a grade of B on this test. Use a 90% confidence interval to estimate pp to three decimal places.Enter your answer as a tri-linear inequality using decimals (not percents).
