8. Calculate the "z-score" (to two decimal places) for the game in which 66 points were scored.
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We want to find the z score
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- The FBI wants to determine the effectiveness of their 10 Most Wanted list. To do so, they need to find out the fraction of people who appear on the list that are actually caught. Step 1 of 2 : Suppose a sample of 716 suspected criminals is drawn. Of these people, 279 were captured. Using the data, estimate the proportion of people who were caught after being on the 10 Most Wanted list. Enter your answer as a fraction or a decimal number rounded to three decimal places.Four typists take 15,10,6 and 5 minutes respectively to type a letter. Determine the averagetime required to type a letter if :(a) Four letters are to be typed by each typist.(b) Each typist works for two hours.3. e7 =
- A home pregnancy test was given to women, then pregnancy was verified through blood tests. The following table shows the home pregnancy test results. Positive Pregnant Not Pregnant Total P(positive pregnant) = P(pregnant positive) = 57 7 64 Round your answers to the nearest third decimal place. P(negative pregnant) = Negative 6 69 75 P(not pregnant | negative) = Total 63 76 139Suppose a math class contains 40 students. There are 18 females (two of whom speak Spanish) and 22 males (two of whom speak Spanish). Give all answers as decimals to at least two decimal places. What percent of Spanish speaking students are male? Give answer as a decimal.2. The average test score of 8 students in a class is 92. Two slacker kids join the class and the test average drops to88 . If one of the slacker kids scored an 80, what did the other slacker students score ?
- The FBI wants to determine the effectiveness of their 10 Most Wanted list. To do so, they need to find out the fraction of people who appear on the list that are actually caught. Step 1 of 2: Suppose a sample of 233 suspected criminals is drawn. Of these people, 72 were captured. Using the data, estimate the proportion of people who were caught after being on the 10 Most Wanted list. Enter your answer as a fraction or a decimal number rounded to three decimal places. Step 2 of 2: Suppose a sample of 233 suspected criminals is drawn. Of these people, 72 were captured. Using the data, construct the 80% confidence interval for the population proportion of people who are captured after appearing on the 10 Most Wanted list. Round your answers to three decimal places.Given P(A) = 0.27, P(B) = 0.32, and P(A and B) = 0.22, what is P(A or B)? Answer in decimal form. Round to 2 decimal places as needed. Your Answer:The top 6 companies and the amount each spent on advertising in billions of dollars are as follows: Company At&T Advertising ($ billions) 3.5 Verizon Procter & Gamble L'Oreal Comcast Ford 2.4 4.1 2.1 3.7 2.7 Find the interquartile range for advertising (in $ billions). O a. 2.000 O b. None of the answers is correct OC. 1.475 Od. 1.825 O e. 1.350
- 3. Find and show how to find I (6.45). T(5.45)= 48.3038. T(6.45)=In some 4.0 grading systems, a student's grade point aversge (GPA) is calculated by assigning letter grades the following numerical values. (See attachment) Use this grading system to find this student's GPA. Round to the nearest hundredth. Tessa's cumulative GPA for 3 semesters was 3.18 for 46 course units. Her fourth semester GPA was 3.72 for 12 course units. What is Tessa's cumulative GPA for all 4 semesters?Jordan flipped a coin 500 times. Which of the following would be a good estimate of the number of times the coin landed on heads? A. 245 B. 175 C. 450 D. 350
