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9.14 The average credit card debt is currently averaging $15,000 (15) with a standard deviation of 5,000 (5). What...
4) A credit card watchdog group claims that cardholders in California have more credit card debt...
4) A credit card watchdog group claims that cardholders in California have more credit card debt than "cardholders in Florida. A random sample of 20 credit card holders from each state are selected. In California, the mean credit card debt was $3400 with a population standard deviation, 0, $950. In Florida, the mean credit card debt was $2900 with a population standard deviation, 62 = $850. Can you support the group's claim? Use a = 0.05. a. Identify the null...
The average credit card debt for college seniors is $3262. If the debt is normally distributed...
The average credit card debt for college seniors is $3262. If the debt is normally distributed with a standard deviation of $1100, find these probabilities. a) The senior owes less than $1000. b) The senior owes more than $4000. c) The senior owes between $3000 and $4000 d) The senior owes less than $1000 or more than $4000 e) The senior owes exactly $2500 f) What is the minimum amount a senior needs to owe to be considered a senior...
According to a lending institution, students graduating from college have an average credit card debt of...
According to a lending institution, students graduating from college have an average credit card debt of $4100. A random sample of 40 graduating seniors was selected, and their average credit card debt was found to be $4428. Assume the standard deviation for student credit card debt is $1,300. Using alphaαequals=0.01, complete parts a through c. a) Does this sample provide enough evidence to challenge the findings by the lending institution? Determine the null and alternative hypotheses. Upper H 0H0: muμ...
2. It has been reported that the average credit card debt for college series is $...
2. It has been reported that the average credit card debt for college series is $ 3260. The student serate at a large university feels that their, their seniors have a debt. much less than this : So it conducts a study of 47 randomly selected seniors and finds that therardoint sample has an average debt of $ 2995, with a headpoby deviation of $1100. Is the student Schinto correct Use a 001 (Murst State Ho, Ho, the Rejection Region,...
According to a study completed by Nellie Mae in 2005, the average credit card debt of...
According to a study completed by Nellie Mae in 2005, the average credit card debt of a graduating college student is normally distributed with a mean of $2000. Given the standard deviation is $400, what is the probability that a random sample of 4 graduating student will have a debt between $1800 and $2200? Question 3 options: a) 0.95 b) 0.38 c) 0.68 d) 0.99
According to a survey in a country, 10% of adults do not own a credit card....
According to a survey in a country, 10% of adults do not own a credit card. Suppose a simple random sample of 300 adults is obtained. Complete parts (a) through (d) below (a) Describe the samping distribution of the sample proportion of adults who do not own a credit card. Choose the phrase that best describes the shape of the sampling diatribution of below. O A. Approximately normal becausens OSN and noft-p) 10 OB. Not normal because ns0.05N and npit-p)<...
According to a survey in a country, 17% of adults do not own a credit card....
According to a survey in a country, 17% of adults do not own a credit card. Suppose a simple random sample of 900 adults is obtained. Complete parts (a) through (d) below Click here to view the standard normal distribution table (page 1) Click here to view the standard normal doibution table 2) (a) Describe the sampling dvibution of p, the sample proportion of adults who do not own a credit card Choose the phrase that best dearbes the shape...
What would be the combined monthly credit card bill standard deviation? Round to 4 decimal points...
What would be the combined monthly credit card bill standard
deviation? Round to 4 decimal points
**please keep in note that sample 1 does not have a variance,
only sample 2 has been provided with a variance
US] https://elearning.uh.edu/webapps/assessment/take/launch jsp?course_assessment_id- 245610 cGraw-Hill Connect Table of Contents API WorkSafe n Print Exercise 42: Ane Q Reproductive Systern s Question Completion Status: QUESTION 4 12 point Suppose you analyzed the average monthly credit card bill of Visa credit card customers using two...
Personal incomes in a city have an average of $80,000 and standard deviation of Questions 15–17....
Personal incomes in a city have an average of $80,000 and standard deviation of Questions 15–17. $20,000. 15. The percent of personal incomes over $100,000 is (a) 0.05 (b) 0.1 (c) 0.1587 (d) 0.1841 1(e) Not enough information to calculate. 16. In a random sample of 100 people, the probability that the average income in the sample is over $82,000 is (a) 0.05 (b) 0.1 1(c) 0.1587 (d) 0.1841 (e) Not enough information to calculate. 17. In another random sample...
Sampling Distributions 1. An automatic machine used to ill cans of soup has a mean flling...
Sampling Distributions 1. An automatic machine used to ill cans of soup has a mean flling weight of 16 ounces and a standard deviation of 0.5 ounces. a. What is probability of obtaining a sample of 49 cans with a mean larger than 16.1 b. Find the probability that the sample mean will be within 005 ounces of the population ounces? mean, 16 ounces. 2. Family income distribution in St. Paul, Minnesota, is skewed to the right. The latest census...
4) A credit card watchdog group claims that cardholders in California have more credit card debt than "cardholders in Florida. A random sample of 20 credit card holders from each state are selected. In California, the mean credit card debt was $3400 with a population standard deviation, 0, $950. In Florida, the mean credit card debt was $2900 with a population standard deviation, 62 = $850. Can you support the group's claim? Use a = 0.05. a. Identify the null...
The average credit card debt for college seniors is $3262. If the debt is normally distributed with a standard deviation of $1100, find these probabilities. a) The senior owes less than $1000. b) The senior owes more than $4000. c) The senior owes between $3000 and $4000 d) The senior owes less than $1000 or more than $4000 e) The senior owes exactly $2500 f) What is the minimum amount a senior needs to owe to be considered a senior...
2. It has been reported that the average credit card debt for college series is $ 3260. The student serate at a large university feels that their, their seniors have a debt. much less than this : So it conducts a study of 47 randomly selected seniors and finds that therardoint sample has an average debt of $ 2995, with a headpoby deviation of $1100. Is the student Schinto correct Use a 001 (Murst State Ho, Ho, the Rejection Region,...
According to a survey in a country, 10% of adults do not own a credit card. Suppose a simple random sample of 300 adults is obtained. Complete parts (a) through (d) below (a) Describe the samping distribution of the sample proportion of adults who do not own a credit card. Choose the phrase that best describes the shape of the sampling diatribution of below. O A. Approximately normal becausens OSN and noft-p) 10 OB. Not normal because ns0.05N and npit-p)<...
According to a survey in a country, 17% of adults do not own a credit card. Suppose a simple random sample of 900 adults is obtained. Complete parts (a) through (d) below Click here to view the standard normal distribution table (page 1) Click here to view the standard normal doibution table 2) (a) Describe the sampling dvibution of p, the sample proportion of adults who do not own a credit card Choose the phrase that best dearbes the shape...
What would be the combined monthly credit card bill standard
deviation? Round to 4 decimal points
**please keep in note that sample 1 does not have a variance,
only sample 2 has been provided with a variance
US] https://elearning.uh.edu/webapps/assessment/take/launch jsp?course_assessment_id- 245610 cGraw-Hill Connect Table of Contents API WorkSafe n Print Exercise 42: Ane Q Reproductive Systern s Question Completion Status: QUESTION 4 12 point Suppose you analyzed the average monthly credit card bill of Visa credit card customers using two...
Personal incomes in a city have an average of $80,000 and standard deviation of Questions 15–17. $20,000. 15. The percent of personal incomes over $100,000 is (a) 0.05 (b) 0.1 (c) 0.1587 (d) 0.1841 1(e) Not enough information to calculate. 16. In a random sample of 100 people, the probability that the average income in the sample is over $82,000 is (a) 0.05 (b) 0.1 1(c) 0.1587 (d) 0.1841 (e) Not enough information to calculate. 17. In another random sample...
Sampling Distributions 1. An automatic machine used to ill cans of soup has a mean flling weight of 16 ounces and a standard deviation of 0.5 ounces. a. What is probability of obtaining a sample of 49 cans with a mean larger than 16.1 b. Find the probability that the sample mean will be within 005 ounces of the population ounces? mean, 16 ounces. 2. Family income distribution in St. Paul, Minnesota, is skewed to the right. The latest census...
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