The average credit card debt for college seniors is $22,199 with a standard deviation of $5300. What is the probability that a sample of 30 seniors owes a mean of more than $20,200? Round answer to 4 decimal places. Answer:
The average credit card debt for college seniors is $22,199 with a standard deviation of $5300....
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...
Problem 1: The credit card debt for college seniors has a normal distribution with a mean of $3262 and a standard deviation of $1100. Consider credit card debt of a random sample of 16 college seniors. What is the distribution of mean credit card debt of 16 sampled college seniors? Provide name, mean and standard deviation of the distribution. Problem 2: The following figure shows the distribution of a population. 0.10 0.0 0.06 0.04 0.02 0.00 (a) What is the...
The average credit card debt for college seniors is $3120. The debt is normally distributed with standard deviation of $1100. Find P35.
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...
MUST use the NORM.DIST() or NORM.INVO) Normal Distribution functions in Excel. Provide your final answer rounded to 4 decimal places in the yellow highlight cell. Problem (i): The average credit card debt for college seniors is $3262. The debt has a normal distribution with a standard deviation of $1100. (4 points) a) What is the probability that a randomly selected college senior owes more than $4000? b) What is the probability that a randomly selected college senior owes between $4000...
9.14 The average credit card debt is currently averaging $15,000 (15) with a standard deviation of 5,000 (5). What is the probability that (use single digits): a. Mrs. Yono will have a debt of more than 9 thousand dollars? b.Mr. Lopez will have a debt more than 8 thousand? c. A sample of 20 people will have a debt less than 12 thousand? d. A sample of 20 people will have a debt between 14 and 16 thousand?
9.14 The...
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 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
Assume the credit card balances of younger college educated employed persons are normally distributed with a mean of $ 6,358 and a standard deviation of $1,907 – assume these are population values. 2. Now you randomly select 81 credit card holders. What is the probability that their mean credit card balance is less than $5750? Use the standard normal table for this, but this time use the population mean and standard error (standard deviation/SQRT(81)). Use 4 significant decimal places for...
The typical college student graduates with $27,100 in debt (The Boston Globe, May 27, 2012). Let debt among recent college graduates be normally distributed with a standard deviation of $5,000. [You may find it useful to reference the z table.] a. What is the probability that the average debt of two recent college graduates is more than $27,000? (Round “z” value to 2 decimal places, and final answer to 4 decimal places.) b. What is the probability that the average...