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Question 5 10 out of 10 points A random sample of weights On carato) of sapphires...
Question 23 0 out of 10 points The weights of sacks of raw material produced by...
Question 23 0 out of 10 points The weights of sacks of raw material produced by a supplier are normally distributed with a mean of 99.5 pounds and a standard deviation of 0.525 pounds What proportion of sacks weigh less than 100.75 pounds? Round to four decimal places. Question 24 8 out of 8 points A sample of UA students was taken. The students were asked their gender and their GPA. The data for this question are summarized in the...
Question 14 (7 points) The following table lists the heights (in inches) and weights (in pounds)...
Question 14 (7 points) The following table lists the heights (in inches) and weights (in pounds) for a sample of National Football League quarterbacks: 77 76 77 72 76 77 241 225 241 209 225 Compute the correlation coefficient. Round your answer to three decimal places. Write only a number as your answer. Your Answer: Answer Question 15 (7 points) The following table lists the ages for a sample of couples on a vacation cruise. 45 54 45 55 59...
13. Extra Credit: (10 points) Listed below are weights (grams) from a simple random sample ot...
13. Extra Credit: (10 points) Listed below are weights (grams) from a simple random sample ot "wheat" pennies. U.S. Mint specifications now requir deviation of 0.0230 g for weights of pennies. Use a 0.01 to test the claim that wheat pennies are manufactured so that weights have a standard deviation equal to 0.0230 g e a standard significance level 2.5024 2.5298 2.4998 2.4823 2.5163 2.5222 2.4900 2.4907 2.5017
Question 1 (10 points). A sieve analysis was carried out on a sample of sand weighted...
Question 1 (10 points). A sieve analysis was carried out on a sample of sand weighted 1 kg the following results were obtained. Find MNS of the sample, fineness modulus and draw grading curve. Weight of retained (g) Sieve Opening (mm) 38 19 9.5 4.76 2.4 1.2 0.6 0.3 0.15 123 242 294 212 100
Question 9 Incorrect o.oo points out of 7.00 P Flag question Suppose a certain species bird...
Question 9 Incorrect o.oo points out of 7.00 P Flag question Suppose a certain species bird has an average weight of X 3.55 grams. Based on previous studies, we can assume that the weights of these birds have a normal distribution withgrams. Find the sample size necessary for an 85% confidence level with a maximal error of estimate E= 0.09 for the mean weights of the hummingbirds. Select one: O a. 10 O b. 5 O c. 100 O d....
Please help with 5,6,7, please show your work as well! 10 out of 10 points Question...
Please help with 5,6,7, please show your work as well!
10 out of 10 points Question 1 A population has a mean of 60 and a standard deviation of 30. Samples of size 16 are randomly selected. Calculate the standard deviation of the sample distribution of X. Round off to 3 decimal places. 15 out of 15 points Question 2 Samples of size 16 are drawn from a population. The sampling distribution for X has a standard deviation of 0.25....
Can you answer questions 2,3,4 &show work 10 out of 10 points Question 1 A population...
Can you answer questions 2,3,4
&show work
10 out of 10 points Question 1 A population has a mean of 60 and a standard deviation of 30. Samples of size 16 are randomly selected. Calculate the standard deviation of the sample distribution of X. Round off to 3 decimal places. 15 out of 15 points Question 2 Samples of size 16 are drawn from a population. The sampling distribution for X has a standard deviation of 0.25. Find the standard...
QUESTION 1 Q1). Suppose that you chose a random sample to find out the preference for...
QUESTION 1 Q1). Suppose that you chose a random sample to find out the preference for soft drink. According to your survey results; 40 people prefer Coke, 30 people prefer Pepsi, 25 people prefer Sprite, 15 people prefer Dr Pepper and 10 people prefer 7-up What is the sample size 15 points) i. Contract the frequency relative frequency table (20 points) Q2). Suppose that following data represents a sample of weight measurements collected at random. 182, 169, 114, 202, 144...
Question 10 O out of 2 points For the following data values below, construct a 90%...
Question 10 O out of 2 points For the following data values below, construct a 90% confidence interval if the sample mean is known to be 0.719 and the standard deviation is 0.366. (Round to the nearest thousandth) (Type your answer in using parentheses! Use a comma when inputing your answers! Do not type any unnecessary spaces! List your answers in ascending order!) for example: (0.45,0.78) 0.56, 0.75, 0.10, 0.95, 1.25, 0.54, 0.88 Selected Answer: (0.4502,0.9878) Response Feedback: Be careful...
Question 2 The following is a list of history midterm scores. Incorrect 74 83 70 76 0.00 points out of 5.00 75 59 92 5...
Question 2 The following is a list of history midterm scores. Incorrect 74 83 70 76 0.00 points out of 5.00 75 59 92 56 50 Flag 57 70 52 74 question 83 78 13 51 70 57 Find the five number summary for the data. (Put them in as min,Q1,Median,Q3,max with no spaces. For example; 3,6,7.5,9,14) Answer 13,55,70,77,92 Question 3 Find the mean and standard deviation for the data of the previous problem. Put Partially correct them in the...
Question 23 0 out of 10 points The weights of sacks of raw material produced by a supplier are normally distributed with a mean of 99.5 pounds and a standard deviation of 0.525 pounds What proportion of sacks weigh less than 100.75 pounds? Round to four decimal places. Question 24 8 out of 8 points A sample of UA students was taken. The students were asked their gender and their GPA. The data for this question are summarized in the...
Question 14 (7 points) The following table lists the heights (in inches) and weights (in pounds) for a sample of National Football League quarterbacks: 77 76 77 72 76 77 241 225 241 209 225 Compute the correlation coefficient. Round your answer to three decimal places. Write only a number as your answer. Your Answer: Answer Question 15 (7 points) The following table lists the ages for a sample of couples on a vacation cruise. 45 54 45 55 59...
13. Extra Credit: (10 points) Listed below are weights (grams) from a simple random sample ot "wheat" pennies. U.S. Mint specifications now requir deviation of 0.0230 g for weights of pennies. Use a 0.01 to test the claim that wheat pennies are manufactured so that weights have a standard deviation equal to 0.0230 g e a standard significance level 2.5024 2.5298 2.4998 2.4823 2.5163 2.5222 2.4900 2.4907 2.5017
Question 1 (10 points). A sieve analysis was carried out on a sample of sand weighted 1 kg the following results were obtained. Find MNS of the sample, fineness modulus and draw grading curve. Weight of retained (g) Sieve Opening (mm) 38 19 9.5 4.76 2.4 1.2 0.6 0.3 0.15 123 242 294 212 100
Question 9 Incorrect o.oo points out of 7.00 P Flag question Suppose a certain species bird has an average weight of X 3.55 grams. Based on previous studies, we can assume that the weights of these birds have a normal distribution withgrams. Find the sample size necessary for an 85% confidence level with a maximal error of estimate E= 0.09 for the mean weights of the hummingbirds. Select one: O a. 10 O b. 5 O c. 100 O d....
Please help with 5,6,7, please show your work as well!
10 out of 10 points Question 1 A population has a mean of 60 and a standard deviation of 30. Samples of size 16 are randomly selected. Calculate the standard deviation of the sample distribution of X. Round off to 3 decimal places. 15 out of 15 points Question 2 Samples of size 16 are drawn from a population. The sampling distribution for X has a standard deviation of 0.25....
Can you answer questions 2,3,4
&show work
10 out of 10 points Question 1 A population has a mean of 60 and a standard deviation of 30. Samples of size 16 are randomly selected. Calculate the standard deviation of the sample distribution of X. Round off to 3 decimal places. 15 out of 15 points Question 2 Samples of size 16 are drawn from a population. The sampling distribution for X has a standard deviation of 0.25. Find the standard...
QUESTION 1 Q1). Suppose that you chose a random sample to find out the preference for soft drink. According to your survey results; 40 people prefer Coke, 30 people prefer Pepsi, 25 people prefer Sprite, 15 people prefer Dr Pepper and 10 people prefer 7-up What is the sample size 15 points) i. Contract the frequency relative frequency table (20 points) Q2). Suppose that following data represents a sample of weight measurements collected at random. 182, 169, 114, 202, 144...
Question 10 O out of 2 points For the following data values below, construct a 90% confidence interval if the sample mean is known to be 0.719 and the standard deviation is 0.366. (Round to the nearest thousandth) (Type your answer in using parentheses! Use a comma when inputing your answers! Do not type any unnecessary spaces! List your answers in ascending order!) for example: (0.45,0.78) 0.56, 0.75, 0.10, 0.95, 1.25, 0.54, 0.88 Selected Answer: (0.4502,0.9878) Response Feedback: Be careful...
Question 2 The following is a list of history midterm scores. Incorrect 74 83 70 76 0.00 points out of 5.00 75 59 92 56 50 Flag 57 70 52 74 question 83 78 13 51 70 57 Find the five number summary for the data. (Put them in as min,Q1,Median,Q3,max with no spaces. For example; 3,6,7.5,9,14) Answer 13,55,70,77,92 Question 3 Find the mean and standard deviation for the data of the previous problem. Put Partially correct them in the...
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