Contemporary Mathematics for Business & Consumers - With LMS CengageNOW
8th Edition
ISBN: 9781337125468
Author: Brechner
Publisher: Cengage
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Chapter 3.I, Problem 27RE
You are the assistant to the production manager for All American Industries. When you arrived at work, there was a message on your answering machine from an important client with a rush order. It stated the following:
Hi! This is Lee Perry from Precision Fabricators. We need sixteen, three and three-quarter-inch widgets with a gap of fifty-seven thousandths; twenty, four and three-eighth-inch widgets with a gap of two hundred forty-nine ten-thousandths of an inch; and twenty-five widget connectors with clamps that adjust from one and twenty-three hundredths inches to five and three hundred seventy- six thousandths. Please bill and ship the order to the usual address. Thanks.
a. Write this order in numerals for the production department to process.
All American Industries—Production Order
| Quantity | Description |
| _____________________________ | ___________________________ |
| _____________________________ | ___________________________ |
b. If widgets cost $4.80 per inch regardless of gap size and connectors cost $17.95 each, calculate the total cost of the order.
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1. The CLT provides an approximate sampling distribution for the arithmetic average Ỹ of a
random sample Y₁, . . ., Yn f(y). The parameters of the approximate sampling distribution
depend on the mean and variance of the underlying random variables (i.e., the population
mean and variance). The approximation can be written to emphasize this, using the expec-
tation and variance of one of the random variables in the sample instead of the parameters
μ, 02:
YNEY,
· (1
(EY,, varyi
n
For the following population distributions f, write the approximate distribution of the sample
mean.
(a) Exponential with rate ẞ: f(y) = ß exp{−ßy}
1
(b) Chi-square with degrees of freedom: f(y) = ( 4 ) 2 y = exp { — ½/ }
г(
(c) Poisson with rate λ: P(Y = y) = exp(-\}
>
y!
y²
2. Let Y₁,……., Y be a random sample with common mean μ and common variance σ². Use the
CLT to write an expression approximating the CDF P(Ỹ ≤ x) in terms of µ, σ² and n, and
the standard normal CDF Fz(·).
Chapter 3 Solutions
Contemporary Mathematics for Business & Consumers - With LMS CengageNOW
Ch. 3.I - Read and write the following numbers in word...Ch. 3.I - Round the following numbers to the indicated...Ch. 3.I - Write the following numbers in word form.
Ch. 3.I - Write the following numbers in word form. 2.48Ch. 3.I - Write the following numbers in word form.
3. ...Ch. 3.I - Write the following numbers in word form.
4....Ch. 3.I - Prob. 5RECh. 3.I - Write the following numbers in word form. .000033Ch. 3.I - Write the following numbers in word form. .00938Ch. 3.I - Prob. 8RE
Ch. 3.I - Write the following numbers in word form. .0005712Ch. 3.I - Write the following numbers in word form.
10....Ch. 3.I - Prob. 11RECh. 3.I - Prob. 12RECh. 3.I - Prob. 13RECh. 3.I - Write the following numbers in numerical form....Ch. 3.I - Prob. 15RECh. 3.I - Write the following numbers in numerical form.
16....Ch. 3.I - Prob. 17RECh. 3.I - Round the following numbers to the indicated...Ch. 3.I - Prob. 19RECh. 3.I - Round the following numbers to the indicated...Ch. 3.I - Round the following numbers to the indicated...Ch. 3.I - Round the following numbers to the indicated...Ch. 3.I - Prob. 23RECh. 3.I - Round the following numbers to the indicated...Ch. 3.I - Prob. 25RECh. 3.I - Round the following numbers to the indicated...Ch. 3.I - You are the assistant to the production manager...Ch. 3.II - Perform the indicated operation....Ch. 3.II - Prob. 4TIECh. 3.II - Prob. 5TIECh. 3.II - Prob. 1RECh. 3.II - Perform the indicated operation for the...Ch. 3.II - Prob. 3RECh. 3.II - Prob. 4RECh. 3.II - Prob. 5RECh. 3.II - Prob. 6RECh. 3.II - Prob. 7RECh. 3.II - Prob. 8RECh. 3.II - Prob. 9RECh. 3.II - Prob. 10RECh. 3.II - Prob. 11RECh. 3.II - 12. Subtract fifteen and eighty-eight...Ch. 3.II - Prob. 13RECh. 3.II - 14. In one week of training for the San Francisco...Ch. 3.II - Prob. 15RECh. 3.II - Last week Kate Burke ran a 5-kilometer race in...Ch. 3.II - Prob. 17RECh. 3.II - Faith Sherlock received her monthly pension check...Ch. 3.II - 19. Use the chart “The Pet Story” to answer the...Ch. 3.II - Prob. 20RECh. 3.II - Prob. 21RECh. 3.II - Prob. 22RECh. 3.II - Prob. 23RECh. 3.II - Prob. 24RECh. 3.II - Prob. 25RECh. 3.II - Prob. 26RECh. 3.II - Prob. 27RECh. 3.II - Prob. 28RECh. 3.II - Prob. 29RECh. 3.II - Prob. 30RECh. 3.II - Prob. 31RECh. 3.II - Prob. 32RECh. 3.II - Divide the following numbers. Round to hundredths...Ch. 3.II - Prob. 34RECh. 3.II - Prob. 35RECh. 3.II - Sam Estero received a $50 gift card to iTunes for...Ch. 3.II - Prob. 37RECh. 3.II - 38. Jimmie Masters earns $4,825.50 per month as a...Ch. 3.II - USA Today reported that Ethiopian Airlines had...Ch. 3.II - Prob. 40RECh. 3.II - Prob. 41RECh. 3.II - Edward Nolan has room for 26 bedding plants in his...Ch. 3.II - Prob. 43RECh. 3.II - Prob. 44RECh. 3.II - 45. Tim Meekma owns a PepsiCo vending truck that...Ch. 3.II - According to the Food and Nutrition Service of the...Ch. 3.III - Convert the following decimals to their fractional...Ch. 3.III - Prob. 7TIECh. 3.III - Convert the following decimals to fractions and...Ch. 3.III - Convert the following decimals to fractions and...Ch. 3.III - Convert the following decimals to fractions and...Ch. 3.III - Convert the following decimals to fractions and...Ch. 3.III - Convert the following decimals to fractions and...Ch. 3.III - Convert the following fractions to decimals. Round...Ch. 3.III - Convert the following fractions to decimals. Round...Ch. 3.III - Convert the following fractions to decimals. Round...Ch. 3.III - Convert the following fractions to decimals. Round...Ch. 3.III - Convert the following fractions to decimals. Round...Ch. 3.III - For the following numbers, perform the indicated...Ch. 3.III - For the following numbers, perform the indicated...Ch. 3.III - For the following numbers, perform the indicated...Ch. 3.III - For the following numbers, perform the indicated...Ch. 3.III - a. You are planning a party for your bowling...Ch. 3.III - Catalina Jewelers has 147.25 ounces of 14-carat...Ch. 3.III - a. What is the total cost of fuel for a 4,602 mile...Ch. 3.III - Ever Ready taxicabs charge 1.20 for the first 14...Ch. 3.III - You are the purchasing manager for Five Star...Ch. 3.III - 20. You are the manager of Rally Rent-a-car. A...Ch. 3.III - 21. You are a loan officer at the West Elm Savings...Ch. 3 - 1. As with fractions, ________ are a way of...Ch. 3 - The ________ ________ separates the whole number...Ch. 3 - 3. When rounding decimals, we delete all digits to...Ch. 3 - When rounding monetary amounts, we round to the...Ch. 3 - When adding or subtracting decimals, we begin by...Ch. 3 - 6. When adding or subtracting decimals, we work...Ch. 3 - 7. In the multiplication of decimals, the product...Ch. 3 - 8. When multiplying a decimal by a power of 10, as...Ch. 3 - When dividing decimals, the basic rule is that you...Ch. 3 - 10. When dividing a decimal by a power of 10, as a...Ch. 3 - When converting a decimal to a fraction, we...Ch. 3 - 12. To convert a fraction to a decimal, we divide...Ch. 3 - Write the following numbers in word form. .61Ch. 3 - Write the following numbers in word form. 34.581Ch. 3 - Write the following numbers in word form. $119.85Ch. 3 - Write the following numbers in word form.
4.
Ch. 3 - Write the following numbers in word form.
5.
Ch. 3 - Write the following numbers in numerical form.
6....Ch. 3 - Write the following numbers in numerical form.
7....Ch. 3 - Write the following numbers in numerical form.
8....Ch. 3 - Write the following numbers in numerical form.
9....Ch. 3 - Round the following numbers to the indicated...Ch. 3 - Round the following numbers to the indicated...Ch. 3 - Round the following numbers to the indicated...Ch. 3 - Round the following numbers to the indicated...Ch. 3 - Perform the indicated operation for the...Ch. 3 - Perform the indicated operation for the following....Ch. 3 - Perform the indicated operation for the following....Ch. 3 - Perform the indicated operation for the following....Ch. 3 - Prob. 18ATCh. 3 - Perform the indicated operation for the...Ch. 3 - Perform the indicated operation for the following....Ch. 3 - Perform the indicated operation for the following....Ch. 3 - Perform the indicated operation for the...Ch. 3 - Perform the indicated operation for the following....Ch. 3 - Perform the indicated operation for the...Ch. 3 - Perform the indicated operation for the...Ch. 3 - Convert the following decimals to fractions and...Ch. 3 - Convert the following decimals to fractions and...Ch. 3 - Convert the following fractions to decimals. Round...Ch. 3 - Convert the following fractions to decimals. Round...Ch. 3 - Convert the following fractions to decimals. Round...Ch. 3 - Gary Scott can buy a box of 40 Blu-ray discs for...Ch. 3 - Two Wheeler-Dealer Bike Shop has a 22-inch...Ch. 3 - The chief financial officer of Allied Corporation...Ch. 3 - 34. A spindle of 50 blank DVD discs costs $16.90....Ch. 3 - Liz Thorton has signed up for a one-semester class...Ch. 3 - At Magers Market, a 24-bottle case of spring water...Ch. 3 - 37. Maria Lopez shares an apartment with a friend....Ch. 3 - Ryan Miller wanted to make some money at a flea...Ch. 3 - 39. A cargo ship, The Caribbean Trader, has a...Ch. 3 - As the food manager for a local charity, you are...Ch. 3 - Prob. 41AT
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