What is standard deviation for sample of applicants

Assignment Help Basic Statistics
Reference no: EM13144292

1) What was the mean quantity ordered?

A. 48.0
B. 52.7
C. 10
D. 74.5

2) What percentage of orders is for quantity between 50-59 units?

A. 92%
B. 74%
C. 36%
D. 26%

3) For each of the past 30 days, a researcher has recorded the number of individuals in a city who signed up for insurance under the Healthcare Reform Act. Which of the following graphical summaries is most appropriate to display the data she has collected?

A. Histogram
B. Pie chart
C. Bar chart
D. Line graph
E. Stem and leaf diagram

Use the following data for Questions 4-6.

963_What was the mean quantity ordered.png

XYZ Corporation has advertised an open position. The number of applications received during 5 randomly selected days is listed below.

4) What is the mean number of applications received in this sample?
A. 29.0
B. 25.0
C. 28.0
D. 22.0

5) What is the median number of applications received in this sample?

A. 29.0
B. 25.0
C. 28.0
D. 22.0

6) What is the standard deviation for this sample of applicants?

A. 72
B. 7.6
C. 57.6
D. 8.5

7) The time that a telemarketer spends on the phone in an attempt to make a sale is normally distributed with a mean of 8 minutes and a standard deviation of 1.2 minutes. What is the probability that the call takes longer than 10 minutes?

A. 0.05
B. 0.13
C. 0.22
D. 0.01

8) The manager of the telemarketing call center (discussed in problem 7) is concerned about calls that are too short (agent is not pushy enough) or too long (agent is inefficient). He wants to identify the middle 97% of call times, and issue warnings to an agent when the call time falls outside of that range. Compute the lower and upper limit for the middle 97% of calls.

A. Approximately 5.7 to 10.3 minutes
B. Approximately 4.8 to 9.7 minutes
C. Approximately 5.4 to 10.6 minutes
D. Cannot be estimated with the available data

9) The telemarketing company has determined that 20% of the calls their agents make result in a successful sale. Assume 15 calls are made one morning. What is the probability that 3 or fewer of the calls are successful (i.e., make a sale). Assume binomial distribution.

A. 0.25
B. 0.65
C. 0.40
D. 0.61
E. 0.36

10) Contact information about potential customers arrives at the telemarketing company at an average rate of 8 every 15 minutes. What is the probability that in the next 15 minutes information about 10 or fewer potential customers arrives? Assume Poisson arrivals.

A. 0.816
B. 0.772
C. 0.395
D. 0.886

Download:- Statistics.pdf

Reference no: EM13144292

Questions Cloud

Provide an example of resources that are temporarily : Provide an example of resources that are temporarily restricted as to (a) purpose, (b) time, and (c) occurence of a specific event. Provide an example of permanently restricted resources.
What is the budgeted indirect cost allocation rate : Dalyrymple Company produces a special spray nozzle. The budgeted indirect total cost of inserting the spray nozzle is $80,000. The budgeted number of nozzles to be inserted is 40,000. What is the budgeted indirect cost allocation rate for this act..
How would the items above relating to research and develop : how would the items above relating to research and development activities be reported on the following financial statements?
Prepare journal entries for each of the foregoing events : Prepare journal entries for each of the foregoing events that affected the Local Improvement District Fund
What is standard deviation for sample of applicants : What is the probability that in the next 15 minutes information about 10 or fewer potential customers arrives and what is the probability that 3 or fewer of the calls are successful
Choice of accounting method understanding : Slanted Building Supplies purchased 32 percent of the voting shares of Flat Flooring Company in March 20X3. On December 31, 20X3, the officers of Slanted Building Supplies indicated they needed advice on whether to use the equity method or cost me..
Prepare the correcting entry necessary when these errors : Prepare the correcting entry necessary when these errors are discovered. Assume that the books for 2011 are closed. (Ignore income tax considerations.) (For multiple debit/credit entries, list amounts from largest to smallest eg 10, 5, 3, 2.)
Determine the present value of your winnings : If the current interest rate is 5%, determine the present value of your winnings. Use the present value tables in Appendix A. Round to the nearest whole dollar.
Discuss the role that learning : Discuss the role that learning has had on the fact that you like or dislike the thing you described.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics-probability assignment

MATH1550H: Assignment:  Question:  A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

  What is the least number

MATH1550H: Assignment:  Question:     what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

  Determine the value of k

MATH1550H: Assignment:  Question:     Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

  What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

  Binomial distributions

MATH1550H: Assignment:  Questions:  Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

  Caselet on mcdonald’s vs. burger king - waiting time

Caselet on McDonald’s vs. Burger King - Waiting time

  Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

  Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

  Estimate the population mean

Estimate the population mean

  Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

  Find out the probability

Find out the probability

  Linear programming models

LINEAR PROGRAMMING MODELS

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd