how do you get the t value in this problem i keep getting the wrong answer....
how do you get the t value in this problem i keep getting the wrong answer. can you show me steps? my answer is not the same as yours,
At a local college 53 female students were randomly selected and it was found that their mean monthly income was $612 with a standard deviation of $121.50. 56 male students were also randomly selected and their mean monthly income was found to be $654 with a standard deviationof $168.70. Construct a 99% confidence interval for the mean difference in monthly income.
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how do you get the t value in this problem i keep getting the
wrong answer....
At a local store, 65 female employees were randomly selected and it was found that their...
At a local store, 65 female employees were randomly selected and it was found that their mean monthly income was $625 with a standard deviation of $121.50. 75 male employees were also randomly selected and their mean monthly income was found to be $667 with a standard deviation of $168.70. Find the test statistic to test the hypothesis that male employees have a higher monthly income than female employees. Use a =0.01. The test statistic is: 1.652 - 1.705 -1.533...
At a college, 61 female students were randomly selected and it was found that their monthly...
At a college, 61 female students were randomly selected and it was found that their monthly income had a standard deviation of $230.85. For 121 male students, the standard deviation was $320.53. Test the claim that variance of monthly incomes is higher for male students than it is foi female students. Use a = 0.01.
Can you please help me step by step work this problem out. I keep getting the...
Can you please help me step by step work this problem out. I keep getting the answer wrong Max Sandlin is exploring the characteristics of stock market investors. He found that sixty percent of all investors have a net worth exceeding $1,000,000; 20% of all investors use an online brokerage; and 10% of all investors a have net worth exceeding $1,000,000 and use an online brokerage. An investor is selected randomly, and E is the event "net worth exceeds $1,000,000"...
I just keep getting the last two wrong. 1 point) The following stem-and-leaf plot the number...
I just keep getting the last two wrong.
1 point) The following stem-and-leaf plot the number of items produced per day in a factory in a sample of 24 randomly selected days 112 represents 120 Leaf Unit 10.0 7 0 2 3 6 7 7 8 8 5 9 9 0 1 5 6 103 6 (a) What is the value of the mode for this sample? 630, 650, 77(if there is more than one answer, enter them separated by...
how do I answer this I keep getting it wrong The following diagram presents a circular-flow...
how do I answer this I keep getting it wrong
The following diagram presents a circular-flow model of a simple economy. The outer set of arrows (shown in green) shows the flow of dollars, and the inner set of arrows (shown in red) shows the corresponding flow of inputs and outputs. Markets for Goods and Services Firms Households Markets for Factors of Production purchase in Based on this model, households earn income when factor markets. Suppose Poornima earns $725 per...
1. In a study of speed dating, male subjects were asked to rate the attractiveness of their female dates, and a sample...
1. In a study of speed dating, male subjects were asked to rate the attractiveness of their female dates, and a sample of the results is listed below (1equals=not attractive; 10equals=extremely attractive). Construct a confidence interval using a 99% confidence level. What do the results tell about the mean attractiveness ratings of the population of all adult females? 6, 8, 1, 10, 7, 5, 8, 9, 7, 10, 3, 9 What is the confidence interval for the population mean muμ?...
You have been hired by Ford Motor Company to do market research and you must estimate...
You have been hired by Ford Motor Company to do market research and you must estimate the percentage of households in which a vehicle is owned. How many households must you survey if you want to be 94% confident that your sample percentage has a margin of error within 0.03? (5) The monthly utility bills in a city are normally distributed with a mean of $100 and a standard deviation of $1 If 300 utility bills are randomly...
I keep getting this question wrong, please help! FV=Fair Value Case 8-3 a x Your answer...
I keep getting this question wrong, please help! FV=Fair
Value
Case 8-3 a x Your answer is incorrect. Try again. Maple Manufacturing Company recently purchased a property for use as a manufacturing facility. The company paid $949,000 for a building and four hectares of land. When recording the purchase, the company's accountant allocated $849,000 of the total cost to the building and the remaining $100,000 to the land. After some investigation and an independent appraisal, you determine that the building...
can i get help answering these questions please i do not understand how to solve them...
can i get help answering these questions please i do not
understand how to solve them im having trouble please.
Question Hop The brand manager for a brand of toothpaste must plan a campaign designed to increase brand recognition. He wants to first determine the percentage of adults who have heard of the brand. How many adults must he survey in order to be 90% confident that his estimate is within seven percentage points of the true population percentage? Complete...
Using the answers from the table above, answer ALL of the questions below. For questions 1 - 13, draw a normal curve and indicate the area that you are calculating the probability of. For questions...
Using the answers from the table above, answer ALL of
the questions below. For questions 1 - 13, draw a
normal curve and indicate the area that you are calculating the
probability of. For questions 14 – 22, use the
appropriate formulas and show all of your
calculations.
Be sure to turn in the table above along with your
answers to all of the questions below. Place your answers in a
folder with your name clearly written at the top...
At a local store, 65 female employees were randomly selected and it was found that their mean monthly income was $625 with a standard deviation of $121.50. 75 male employees were also randomly selected and their mean monthly income was found to be $667 with a standard deviation of $168.70. Find the test statistic to test the hypothesis that male employees have a higher monthly income than female employees. Use a =0.01. The test statistic is: 1.652 - 1.705 -1.533...
At a college, 61 female students were randomly selected and it was found that their monthly income had a standard deviation of $230.85. For 121 male students, the standard deviation was $320.53. Test the claim that variance of monthly incomes is higher for male students than it is foi female students. Use a = 0.01.
I just keep getting the last two wrong.
1 point) The following stem-and-leaf plot the number of items produced per day in a factory in a sample of 24 randomly selected days 112 represents 120 Leaf Unit 10.0 7 0 2 3 6 7 7 8 8 5 9 9 0 1 5 6 103 6 (a) What is the value of the mode for this sample? 630, 650, 77(if there is more than one answer, enter them separated by...
how do I answer this I keep getting it wrong
The following diagram presents a circular-flow model of a simple economy. The outer set of arrows (shown in green) shows the flow of dollars, and the inner set of arrows (shown in red) shows the corresponding flow of inputs and outputs. Markets for Goods and Services Firms Households Markets for Factors of Production purchase in Based on this model, households earn income when factor markets. Suppose Poornima earns $725 per...
I keep getting this question wrong, please help! FV=Fair
Value
Case 8-3 a x Your answer is incorrect. Try again. Maple Manufacturing Company recently purchased a property for use as a manufacturing facility. The company paid $949,000 for a building and four hectares of land. When recording the purchase, the company's accountant allocated $849,000 of the total cost to the building and the remaining $100,000 to the land. After some investigation and an independent appraisal, you determine that the building...
can i get help answering these questions please i do not
understand how to solve them im having trouble please.
Question Hop The brand manager for a brand of toothpaste must plan a campaign designed to increase brand recognition. He wants to first determine the percentage of adults who have heard of the brand. How many adults must he survey in order to be 90% confident that his estimate is within seven percentage points of the true population percentage? Complete...
Using the answers from the table above, answer ALL of
the questions below. For questions 1 - 13, draw a
normal curve and indicate the area that you are calculating the
probability of. For questions 14 – 22, use the
appropriate formulas and show all of your
calculations.
Be sure to turn in the table above along with your
answers to all of the questions below. Place your answers in a
folder with your name clearly written at the top...
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