A small engine shop receives an average of 1.7 repair calls per hour, with a standard deviation

Question:

A small engine shop receives an average of 1.7 repair calls per hour, with a standard deviation of 0.6. What is the mean and standard deviation of the number of calls it receives for an eight-hour day? What, if anything, did you assume?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Business Statistics

ISBN: 9780133899122

3rd Canadian Edition

Authors: Norean D. Sharpe, Richard D. De Veaux, Paul F. Velleman, David Wright

See More Books

Question Posted: Jun 25, 2019 09:02 AM

See More Questions

www.golfsmith.com receives an average of 6.5 returns per day from online shoppers. For a sample of 12 days, it received the following numbers of returns. At the .01 significance level, can we...
An ambulance service receives an average of 15 calls per day during the time period 6 p.m. to 6 a.m. for assistance. For any given day what is the probability that fewer than 10 calls will be...
A customer support center for a computer manufacturer receives an average of 1.5 phone calls every 5 minutes. Assume the number of calls received follows the Poisson distribution. a. What is the...
In thinking about the appropriate balance between the market and the government in achieving sustainability, do you think the government needs to take a stronger role or would you favor reducing...
Use curved arrows to show the movement of electrons in each of the following reaction steps: a. b. c. d. Br O: " CH,COH + H-O-H CH,COH + H2O - CH3 CH3 CH CH3 CH
Write a word problem that can be solved by evaluating 7 C 3 .
I crave the excitement of the last-minute rush. Yes No LO.1
An economist wants to determine the relation between ones FICO score, x, and the interest rate of a 36-month auto loan, y. The given data represent the interest rate (in percent) a bank would offer...
Exercise 4-14A (Algo) Single-step and multistep income statements LO 4-6 The following information was taken from the accounts of Green Market, a small grocery store, at December 31, Year 1. The...
Cisco Systems, Microsoft, and IBM often acquire small, technology-based entrepreneurial firms. Why would Cisco Systems, Microsoft, and IBM, which each employ hundreds of product development...
The computer help desk is staffed by students during the 7 p.m. to 11 p.m. shift. Let Y denote the random variable that represents the number of students seeking help during the 15-minute time slot...
An insurance company estimates that it should make an annual profit of $150 on each homeowners policy written, with a standard deviation of $6000. a) Why is the standard deviation so large? b) If the...
The eigenvalues of the differential equation are $\beta_{1}$ and $\beta_{2}$ when the equation is linearized about an equilibrium point. Determine the type of the equilibrium point and its...
Parallel red and green laser rays are incident on a glass slab as shown in Figure P33.24. Sketch the rays as they pass through the slab and after they have entered the air to the right of the slab....
Consider the following five operations: constructing a luxury cruise ship, operating a casual dining restaurant, staging a professional sports match, manufacturing a patented drug, and rescuing...
If Technical Specification 2 were reduced in the next design for this product, what would likely happen to customer opinion of Value Feature A? Quick Start QFD Matrix 2 Strong positive correlation...
Customer opinion of Value Feature B is most strongly correlated with what technical specification? Quick Start QFD Matrix 2 Strong positive correlation Some positive correlation == Strong negative...
Consider Quick Start QFD Matrix 1 above. Of the two value features, which do cus- tomers consider three times more important? Quick Start Quick Start QFD Matrix 1 = Strong positive correlation = Some...
A study on the effect of gender on movie attendance was biased because the sample consisted of 800 males and 200 females.
Write a program that initializes an array. It inputs a value from the user and searches the number in the array.
Determine the SSE and the se for Problem 12.7. Use the residuals computed in Problem 12.15 (for Problem 12.7) and determine how many of them are within 1se and 2se. How do these numbers compare with...
Determine the SSE and the se for Problem 12.8. Think about the variables being analyzed by regression in this problem and comment on the value of se. In Problem 12.8 Advertising Sales 12.5...
Determine the SSE and se for Problem 12.9. Examine the variables being analyzed by regression in this problem and comment on the value of se. In Problem 12.9 Bond Rate Prime Interest Rate 5%...
why would an auditor want to complete dual-purpose tests? what procedure can be put into place to help prevent fraud? List 4 procedures.
Based on the following information, calculate sustainable growth rate for Groot, Inc.: Profit margin= 7.1% Total asset turnover = 1.90 Total debt ratio = .45 Payout ratio = 20% What is the ROA here?
Consider the following: a call option on a stock has strike price $100, premium of $5 and the current price of the underlying stock is $100. If you buy the call option today, what is your holding...

A small engine shop receives an average of 1.7 repair calls per hour, with a standard deviation

Question:

Step by Step Answer:

Calls in eight hours m EX 817 ...View the full answer

Business Statistics

Students also viewed these Mathematics questions