Homework Answers
a) F= 1.10
b) F= 1.05
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HW 13.1-13.4 Score: 8.6/29 9/23 answered Question 15 > Compute the STS (to two decimals) for...
HW 13.1-13.4 Score: 8.6/29 9/23 answered Question 16 < > Compute the STS (to two decimals)...
HW 13.1-13.4 Score: 8.6/29 9/23 answered Question 16 < > Compute the STS (to two decimals) for a comparison of two population standard deviations or variances given that: a. The sample standard deviations are 14.8 for Population 1 and 15.1 for Population 2. F= b. The sample variances are 14.8 for Population 1 and 15.1 for Population 2. F=
HW 13.1-13.4 Score: 15.2/29 13/23 answered Question 2 Find the P-value (to 4 decimals) for an...
HW 13.1-13.4 Score: 15.2/29 13/23 answered Question 2 Find the P-value (to 4 decimals) for an F-test with d. f. = 11, d. f.d = 15 and STS F = 9.1 if the test is: a. Left tailed: b. Right tailed: C. Two-tailed: Submit Question
HW 6.2 Due Jul 8 by 11:59pm Points 26 Submitting an external tool HW 6.2 Score:...
HW 6.2 Due Jul 8 by 11:59pm Points 26 Submitting an external tool HW 6.2 Score: 14.5/26 14/18 answered Question 11 < > Find the value of Z= Zc that satisfies each statement. Round to two decimals if needed. a. P(Z <Zc) 0.31 : b. P(Z > Z) = 0.61 : c. PC - Ze <2<Zc) = 0.31 : Submit Question
HW 5.1,5.2 Score: 8.95/24 9/18 answered Done 6 vo ... Question 9 > 0/1 pt 4...
HW 5.1,5.2 Score: 8.95/24 9/18 answered Done 6 vo ... Question 9 > 0/1 pt 4 19 Details Suppose the continuous random variable X-U(4, 16). Find the following. Round answers to two decimals if needed. a. The 32nd percentile: b. The cutoff for the top 64% of values: Submit Question
HW 6.2 Score: 15.8/26 16/18 answered Question 14 < > Salaries at a company are normally...
HW 6.2 Score: 15.8/26 16/18 answered Question 14 < > Salaries at a company are normally distributed with a mean of $58000 and standard deviation $2000. Find the following. Round to one decimal if needed. a. The percentile of a salary of $55400: b. The cutoff for the top 18% of salaries: c. Out of a random sample of 82 salaries, how many would you expect to be between $55400 and $56600 : Submit Question
HW 6.2 Score: 15.8/26 16/18 answered X Question 17 < > Score on last try: 0...
HW 6.2 Score: 15.8/26 16/18 answered X Question 17 < > Score on last try: 0 of 3 pts. See Details for more. > Next question Try a similar question You can retry this question below 700 800 900 1000 1100 1200 130 SAT Scores Q Use the graph above to find the following. Round to one decimal if needed. a. Out of a random sample of 83 exams, how many you would expect to be between 1110 and 1190...
UIC.CUCUIJCOLIITILISHIC/ JUULIZI HW 4.1,4.2 Score: 15.25/18 17/18 answered X Question 15 < Score on last try:...
UIC.CUCUIJCOLIITILISHIC/ JUULIZI HW 4.1,4.2 Score: 15.25/18 17/18 answered X Question 15 < Score on last try: 0 of 1 pts. See Details for more. > Next question Try a similar question You can retry this question below A class of 27 students took a short quiz. 3 students missed no questions, 4 missed one question, 5 missed two questions, 7 missed three questions and 8 missed four questions. Find the expected number of missed questions for a randomly chosen student...
HW 4.4 Score: 13.7/23 11/15 answered X Question 11 < Score on last try: 0 of...
HW 4.4 Score: 13.7/23 11/15 answered X Question 11 < Score on last try: 0 of 3 pts. See Details for more. > Next question Try a similar question You can retry this question below Suppose that 26% of students who take a class pass. You repeteadly ask students until you find one who passed. Find the probability that: Round to three decimals. a. The first person who passed is the 10 th or 15 th person you ask :...
HW 4.1, 4.2 Score: 15.25/18 17/18 answered Question 18 < > Result 7,7,7 7,7,5 7,$,$ $,$,$...
HW 4.1, 4.2 Score: 15.25/18 17/18 answered Question 18 < > Result 7,7,7 7,7,5 7,$,$ $,$,$ Payout ($) Probability 50 0.002 10 0.04 5 0.05 2 0.08 A $1.00 slot machine pays out according to the table above, with the corresponding probabilities. The machine only pays out if you get a result that includes "7" or "$". a. The expected payout per spin (to two decimals) is $ b. If you play this machine 50 times, your expected net loss...
HW 4.4 Score: 13.7/23 11/15 answered Question 12 < > Suppose that 40% of AHC students...
HW 4.4 Score: 13.7/23 11/15 answered Question 12 < > Suppose that 40% of AHC students live in Santa Maria. Find the probability that: Round to three decimals. a. Exactly 7 out of 11 randomly chosen AHC students live in Santa Maria : b. The first AHC student you find that lives in Santa Maria is person number 7 or before : c. More than 7 AHC students out of 11 live in Santa Maria : d. The first Santa...
HW 13.1-13.4 Score: 8.6/29 9/23 answered Question 16 < > Compute the STS (to two decimals) for a comparison of two population standard deviations or variances given that: a. The sample standard deviations are 14.8 for Population 1 and 15.1 for Population 2. F= b. The sample variances are 14.8 for Population 1 and 15.1 for Population 2. F=
HW 13.1-13.4 Score: 15.2/29 13/23 answered Question 2 Find the P-value (to 4 decimals) for an F-test with d. f. = 11, d. f.d = 15 and STS F = 9.1 if the test is: a. Left tailed: b. Right tailed: C. Two-tailed: Submit Question
HW 6.2 Due Jul 8 by 11:59pm Points 26 Submitting an external tool HW 6.2 Score: 14.5/26 14/18 answered Question 11 < > Find the value of Z= Zc that satisfies each statement. Round to two decimals if needed. a. P(Z <Zc) 0.31 : b. P(Z > Z) = 0.61 : c. PC - Ze <2<Zc) = 0.31 : Submit Question
HW 5.1,5.2 Score: 8.95/24 9/18 answered Done 6 vo ... Question 9 > 0/1 pt 4 19 Details Suppose the continuous random variable X-U(4, 16). Find the following. Round answers to two decimals if needed. a. The 32nd percentile: b. The cutoff for the top 64% of values: Submit Question
HW 6.2 Score: 15.8/26 16/18 answered Question 14 < > Salaries at a company are normally distributed with a mean of $58000 and standard deviation $2000. Find the following. Round to one decimal if needed. a. The percentile of a salary of $55400: b. The cutoff for the top 18% of salaries: c. Out of a random sample of 82 salaries, how many would you expect to be between $55400 and $56600 : Submit Question
HW 6.2 Score: 15.8/26 16/18 answered X Question 17 < > Score on last try: 0 of 3 pts. See Details for more. > Next question Try a similar question You can retry this question below 700 800 900 1000 1100 1200 130 SAT Scores Q Use the graph above to find the following. Round to one decimal if needed. a. Out of a random sample of 83 exams, how many you would expect to be between 1110 and 1190...
UIC.CUCUIJCOLIITILISHIC/ JUULIZI HW 4.1,4.2 Score: 15.25/18 17/18 answered X Question 15 < Score on last try: 0 of 1 pts. See Details for more. > Next question Try a similar question You can retry this question below A class of 27 students took a short quiz. 3 students missed no questions, 4 missed one question, 5 missed two questions, 7 missed three questions and 8 missed four questions. Find the expected number of missed questions for a randomly chosen student...
HW 4.4 Score: 13.7/23 11/15 answered X Question 11 < Score on last try: 0 of 3 pts. See Details for more. > Next question Try a similar question You can retry this question below Suppose that 26% of students who take a class pass. You repeteadly ask students until you find one who passed. Find the probability that: Round to three decimals. a. The first person who passed is the 10 th or 15 th person you ask :...
HW 4.1, 4.2 Score: 15.25/18 17/18 answered Question 18 < > Result 7,7,7 7,7,5 7,$,$ $,$,$ Payout ($) Probability 50 0.002 10 0.04 5 0.05 2 0.08 A $1.00 slot machine pays out according to the table above, with the corresponding probabilities. The machine only pays out if you get a result that includes "7" or "$". a. The expected payout per spin (to two decimals) is $ b. If you play this machine 50 times, your expected net loss...
HW 4.4 Score: 13.7/23 11/15 answered Question 12 < > Suppose that 40% of AHC students live in Santa Maria. Find the probability that: Round to three decimals. a. Exactly 7 out of 11 randomly chosen AHC students live in Santa Maria : b. The first AHC student you find that lives in Santa Maria is person number 7 or before : c. More than 7 AHC students out of 11 live in Santa Maria : d. The first Santa...
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