Homework Answers
Sol: First we find complement of A and complement of B. Then we
find their union and intersection. Then we evaluate part (a), (b),
(c), (d).
QUESTION 28 Using the Binomial Probability table, find PCX) when n 7, X <3, and p...
QUESTION 28 Using the Binomial Probability table, find PCX) when n 7, X <3, and p 0.5 O A. 0.273 O B. 0.500 ° C. 0.227 O D.0.773 QUESTION 29 In the following binomial situation, identify n. "In a national survey, 3 of 10 college students admit to having tried marijuana. What is the probability that 15 college students in a local sample of 60 have tried it?" O A. n 10 O C. n- 60 OD, n= 15
Find a Maclaurin series for f(x). (Use (2n)! —for 1:3:5... (2n – 3).) 2"n!(2n-1) X Rx)...
Find a Maclaurin series for f(x). (Use (2n)! —for 1:3:5... (2n – 3).) 2"n!(2n-1) X Rx) = (* V1 +48 dt . -*** * 3 n = 2 Need Help? Read It Talk to a Tutor
13. Find the mean of the data: 5, 6, 8, 11, 15 C) 11.2 B) 56...
13. Find the mean of the data: 5, 6, 8, 11, 15 C) 11.2 B) 56 D) 15 E) None of the Above A) 9 14. Here are the commutes for a group of 6 employees of a business in which 53 employees commute. Find the standard deviation. 156 130 54 57 140 151 A) 46.71 B) 52.06 C) 49.29 D) 36.79 E) None of the Above 15. Use the given sample data: construct a 95% confidence interval for the...
for 1. the drop down options are N or n 2. x bar or u 3....
for 1. the drop down options are N or n
2. x bar or u
3. o or s
9. 1-6 or none
10. positively/ negatively skewed or symmetric
11. IQR or standard deviation
Use the following data set to find the sample statistics for the following data set. (Round answers to the nearest hundredth, if necessary. {51, 48, 42, 43, 48, 48, 46, 15, 29, 45, 47, 55, 46, 35, 47, 48, 54, 26, 53, 42) 1. 2. ....
My Notes Ask Your Te You are given n 8 measurements: 5, 3, 6, 6, 6,...
My Notes Ask Your Te You are given n 8 measurements: 5, 3, 6, 6, 6, 6, 4, 7, (a) Calculate the range 4 (b) Calculate the sample mean, X. x5.375 (c) Calculate the sample variance, s2, and standard deviation, s. (Round your variance to four decimal places and your standard deviation to two decimal places.) s211.87 s= 3.44 (d) Compare the range and the standard deviation. The range is approximately how many standard deviations? Round your answer to two...
32. Use the following information for questions 31-34: The average GPA for all college students in...
32. Use the following information for questions 31-34: The average GPA for all college students in the United States as of 2006 was 3.11. We want to test to see if the GPA of students at Texas A&M is higher than the national average. Suppose we survey 47 randomly selected students at Texas A&M and the average GPA is 3.27, with a standard deviation of 0.54. Assuming all conditions are met, conduct a hypothesis test at the 0.01 significance level. What is the...
3. + -/1 points WaneFM7 4.1.011. Solve for x, y, z and w. HINT (See Example...
3. + -/1 points WaneFM7 4.1.011. Solve for x, y, z and w. HINT (See Example 1.] (Enter your answers as a comma-separated list.) x + y y + z 13 5 z + W W [7.4 (x, y, z, W) = Need Help? Read It Talk to a Tutor 4. + -16 points WaneFM7 4.1.020. Evaluate the given expression. Take [ 02 [ 1 -17 A = -1 0 and C= 1 1 1. [11] L-1 -1] HINT (See...
Find the value of t0 such that the following statement is true. P(minus−t 0t0less than or...
Find the value of t0 such that the following statement is true. P(minus−t 0t0less than or equals≤tless than or equals≤t 0t)=0.99 where df=9 A.3.250 B.1.833 C.2.2821 D. 2.262 A Florida newspaper reported on the topics that teenagers most want to discuss with their parents. The findings, the results of a poll, showed that 46% would like more discussion about the family's financial situation, 37% would like to talk about school, and 30% would like to talk about religion. These and...
1. -/1 points DevoreStat9 6.E.002. My Notes Ask Your Teacher A survey collects demographic, socioeconomic, dietary,...
1. -/1 points DevoreStat9 6.E.002. My Notes Ask Your Teacher A survey collects demographic, socioeconomic, dietary, and health-related information on an annual basis. Here is a sample of 20 observations on HDL cholesterol level (mg/dl) obtained from the survey (HDL is "good" cholesterol; the higher its value, the lower the risk for heart disease). 36 48 53 53 64 52 50 47 87 36 46 32 40 44 39 62 96 34 31 48 (a) Calculate a point estimate of...
34. Use the following information for questions 31-34: The average GPA for all college students in...
34. Use the following information for questions 31-34: The average GPA for all college students in the United States as of 2006 was 3.11. We want to test to see if the GPA of students at Texas A&M is higher than the national average. Suppose we survey 47 randomly selected students at Texas A&M and the average GPA is 3.27, with a standard deviation of 0.54. Assuming all conditions are met, conduct a hypothesis test at the 0.01 significance level. Which of the...
QUESTION 28 Using the Binomial Probability table, find PCX) when n 7, X <3, and p 0.5 O A. 0.273 O B. 0.500 ° C. 0.227 O D.0.773 QUESTION 29 In the following binomial situation, identify n. "In a national survey, 3 of 10 college students admit to having tried marijuana. What is the probability that 15 college students in a local sample of 60 have tried it?" O A. n 10 O C. n- 60 OD, n= 15
Find a Maclaurin series for f(x). (Use (2n)! —for 1:3:5... (2n – 3).) 2"n!(2n-1) X Rx) = (* V1 +48 dt . -*** * 3 n = 2 Need Help? Read It Talk to a Tutor
13. Find the mean of the data: 5, 6, 8, 11, 15 C) 11.2 B) 56 D) 15 E) None of the Above A) 9 14. Here are the commutes for a group of 6 employees of a business in which 53 employees commute. Find the standard deviation. 156 130 54 57 140 151 A) 46.71 B) 52.06 C) 49.29 D) 36.79 E) None of the Above 15. Use the given sample data: construct a 95% confidence interval for the...
for 1. the drop down options are N or n
2. x bar or u
3. o or s
9. 1-6 or none
10. positively/ negatively skewed or symmetric
11. IQR or standard deviation
Use the following data set to find the sample statistics for the following data set. (Round answers to the nearest hundredth, if necessary. {51, 48, 42, 43, 48, 48, 46, 15, 29, 45, 47, 55, 46, 35, 47, 48, 54, 26, 53, 42) 1. 2. ....
My Notes Ask Your Te You are given n 8 measurements: 5, 3, 6, 6, 6, 6, 4, 7, (a) Calculate the range 4 (b) Calculate the sample mean, X. x5.375 (c) Calculate the sample variance, s2, and standard deviation, s. (Round your variance to four decimal places and your standard deviation to two decimal places.) s211.87 s= 3.44 (d) Compare the range and the standard deviation. The range is approximately how many standard deviations? Round your answer to two...
3. + -/1 points WaneFM7 4.1.011. Solve for x, y, z and w. HINT (See Example 1.] (Enter your answers as a comma-separated list.) x + y y + z 13 5 z + W W [7.4 (x, y, z, W) = Need Help? Read It Talk to a Tutor 4. + -16 points WaneFM7 4.1.020. Evaluate the given expression. Take [ 02 [ 1 -17 A = -1 0 and C= 1 1 1. [11] L-1 -1] HINT (See...
1. -/1 points DevoreStat9 6.E.002. My Notes Ask Your Teacher A survey collects demographic, socioeconomic, dietary, and health-related information on an annual basis. Here is a sample of 20 observations on HDL cholesterol level (mg/dl) obtained from the survey (HDL is "good" cholesterol; the higher its value, the lower the risk for heart disease). 36 48 53 53 64 52 50 47 87 36 46 32 40 44 39 62 96 34 31 48 (a) Calculate a point estimate of...
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