Question

American Carpets Company has 2000 accounts to receive. The mean and standard deviation are $ 300...

American Carpets Company has 2000 accounts to receive. The mean and standard deviation are $ 300 and $ 50, respectively. the accounts are normally distributed

1. How many accounts exceed $ 400?

2. How many accounts are below $ 250?

3. What is the probability that a randomly selected account is between $ 200 and $ 300?

4. What percentage of the accounts are between $ 325 and $ 75?

5. How much in dollars do 40% of the accounts exceed?

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Assume that the time required to receive a confirmation that an electronic transfer has occurred is...
Assume that the time required to receive a confirmation that an electronic transfer has occurred is uniformly distributed between 30 and 90 seconds. a. What is the probability that a randomly selected transfer will take between 30 and 45 seconds? b. What is the probability that a randomly selected transfer will take between 50 and 90 seconds? c. What proportion of transfers will take between 40 and 75 seconds?
4. SAT scores are normally distributed with mean 1500 and standard deviation 300.ROUND YOUR ANSWERS TO...
4. SAT scores are normally distributed with mean 1500 and standard deviation 300.ROUND YOUR ANSWERS TO 4 DECIMAL PLACES a. If 100 SAT scores are randomly selected, find the probability that they have a mean less than 1450.___________Q14 b. If 64 SAT scores are randomly selected, find the probability that they have a mean greater than 1510.___________Q15 c. If 25 SAT scores are randomly selected, find the probability that they have a mean between 1525 and 1535.___________Q16
A variable of a population has a mean of ?=150 and a standard deviation of ?=21....
A variable of a population has a mean of ?=150 and a standard deviation of ?=21. a. The sampling distribution of the sample mean for samples of size 49 is approximately normally distributed with mean __ and standard deviation __ A company sells sunscreen in 500 milliliters (ml) tubes. In fact, the amount of lotion in a tube varies according to a normal distribution with mean ?=497 ml and a standard deviation ?=5 ml. Suppose a store that sells this...
1. Men’s heights are normally distributed with a mean of 69" and a standard deviation of...
1. Men’s heights are normally distributed with a mean of 69" and a standard deviation of 2.5". Draw the distribution curve; label the mean and 3 standard deviations above and below the mean. Answer the following question: a. Between what heights do 68% of men fall? b. What percentage of men are shorter than 74"? c. What percentage of men are taller than 65"? 2. The middle 95% of adults have an IQ between 60 and 140. Assume that IQ...
a) A bank has determined that the monthly balances of the saving accounts of its customers...
a) A bank has determined that the monthly balances of the saving accounts of its customers are normally distributed, with an average balance of $1200 and a standard deviation of $250. i. What proportions of the customers have monthly balances between $950 and $1075? ii. If a sample of 30 customers was randomly selected, what is the probability that the average of this sample will be between $950 and $1075?    b) Suppose that you want to estimate the mean...
Students taking a standizedvIQ test had a mean score of 100 with a standard deviation of...
Students taking a standizedvIQ test had a mean score of 100 with a standard deviation of 15. Assume that the scores are normally distributed. a) Find the probaility that a student had a score less than 95. b) If 2000 students are randomly selected, how many would be expected to have an IQ score that is less than 90? c) What is the cut off score that would place a student in the bottom 10%? d) A random sample of...
7. If I have a population of an unknown mean and unknown standard deviation, what is...
7. If I have a population of an unknown mean and unknown standard deviation, what is the 95% confidence interval estimate of the mean if a. A random sample of size 25 gives a mean of 50 and a standard deviation of 12 b. A random sample of size 16 gives a mean of 50 and a standard deviation of 12 8. The average cost per night of a hotel room in New York City is $325. Assume this estimate...
General hospital’s patient account division has compiled data on the age of accounts receivable. The data...
General hospital’s patient account division has compiled data on the age of accounts receivable. The data collected indicate that the age of the accounts follows a normal distribution with μ = 28 days and σ = 8 days. what portion of the accounts is between 20 and 40 days old—that is, P(20 ≤ x ≤ 40)? The hospital administrator is interested in sending reminder letters to the oldest 15% of accounts. how many days old should an account be before...
Balance Sheets: 2018 2017 Assets Cash and equivalents $100   $85   Accounts receivable 275   300   Inventories 375  ...
Balance Sheets: 2018 2017 Assets Cash and equivalents $100   $85   Accounts receivable 275   300   Inventories 375   250         Total current assets $750   $635   Net plant and equipment 2,300   1,490   Total assets $3,050   $2,125   Liabilities and Equity Accounts payable $150   $85   Accruals 75   50   Notes payable 150   75         Total current liabilities $375   $210   Long-term debt 450   290         Total liabilities $825   $500   Common stock 1,225   1,225   Retained earnings 1,000   400         Total common equity $2,225   $1,625   Total liabilities and equity $3,050   $2,125   Income Statements:...
5. It is reported that the cholesterol level for U. S. women ages between 50 and...
5. It is reported that the cholesterol level for U. S. women ages between 50 and 59 yields a mean milligrams per deciliter and a standard deviation milligrams 2288.43per deciliter. (Assume the distribution is Normally Distributed) a) What percentage of women has a total cholesterol level less than 239 milligrams per deciliter of blood? b) If 200 U. S. women in the 50-59 age group were randomly selected, about how many would you expect to have a total cholesterol level...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT