Question

1. A company's customer support division wants to test to see if wait time for a...

1. A company's customer support division wants to test to see if wait time for a consumer to talk to a representative is under 10 minutes.  The manager proposes to test one case where a consumer was placed on hold.  Is this a good testing strategy?  If not what would be a better testing strategy?  Could you form a Null Hypothesis or an Alternative Hypothesis?  If yes, what would they be?

2. Use a specific example to explain what a point estimation is and what a confidence interval is.

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A very busy and fancy restaurant records the wait time for each customer that comes in....
A very busy and fancy restaurant records the wait time for each customer that comes in. Below are 12 customers’ wait times (in minutes): 51        60        59        72        80        83        54        66        61        81        66        62 1.The manager wants to know the percentage of wait times that are greater than 55 minutes. According to the sample data, what would be a point estimate of the true percentage of wait times that are greater than 55 minutes? 2.Use this point estimate...
A very busy and fancy restaurant records the wait time for each customer that comes in....
A very busy and fancy restaurant records the wait time for each customer that comes in. Below are 12 customers’ wait times (in minutes): 51        60        59        72        80        83        54        66        61        81        66        62 1.The manager wants to know if there is evidence that the true mean wait time is greater than 1 hour. What are the null and alternative hypotheses to test the claim? Will this be a one-sided or two-sided test? 2.Assuming that σ = 20...
A customer service phone line claims that the wait times before a call is answered by...
A customer service phone line claims that the wait times before a call is answered by a service representative is less than 3.3 minutes. In a random sample of 62 calls, the average wait time before a representative answers is 3.26 minutes. The population standard deviation is assumed to be 0.14 minutes. Can the claim be supported at α=0.08? Homework Help: 6VE. Second sample hypothesis testing from word problem to implications for claim, with test statistic (Links to an external...
A. A supermarket claims that the average wait time at the checkout counter is less than...
A. A supermarket claims that the average wait time at the checkout counter is less than 9 minutes.  Assume that we know that the standard deviation of wait times is 2.5 minutes. We will test at 5% level of significance. Consider H0: mu >= 9 H1: mu < 9 A random sample of 50 customers yielded an average wait time of 8.2 minutes. What is the critical value for the Zstat (the Z-test statistic)? (Provide two decimal places)____________ B. Given the...
1. A manager wants to see if the night shift and the day shift takes the...
1. A manager wants to see if the night shift and the day shift takes the same amount of breaks. What test should they use? A. Student T-test B. Test for homogeneity C. Z-Score D. None 2. A radio announcer claims that the high school volleyball team has a mean win of 6. You want to show that it is higher than that. What type of test would you use? A. Right-tailed B. Two-tailed C. Left-tailed D. All of above...
Q1. State the null and alternative hypotheses. A customer service center claims the mean time a...
Q1. State the null and alternative hypotheses. A customer service center claims the mean time a customer is "on hold" is less than 2 minutes. (a) H0: μ = 2 H1: μ < 2 (b) H0: μ < 2 H1: μ = 2 (c) H0: μ = 2 H1: μ > 2 (d) H0: μ > 2 H1: μ = 2 Q2. You are testing the claim that the mean cost of a new car is more than $25,200. How...
6. When analyzing survey results from a two way table, the main distinction between a test...
6. When analyzing survey results from a two way table, the main distinction between a test of independence and a test for homogeneity is: A. How the degrees of freedom are calculated B. how the expected counts are calculated C. the number of samples obtained D. the number of rows in the two way table E. the number of columns in the two way table. 7. A controversial issue in the sport of professional soccer is the use of instant...
1. Let A denote the event that a particular stock outperforms the market and let B...
1. Let A denote the event that a particular stock outperforms the market and let B denote the event that the economy is experiencing rapid economic growth. Suppose that P(A) = 0.40, P(B) = 0.50 and P(A/B) is 0.20. Therefore, the two events A and B are probabilistically independent. True False 2. A manager estimates that demand for their company's product will increase within the next 2 quarters with probability 0.55. This is an example of a a. objective probability...
QUESTION 26 Marketing can be defined as simply being better than the competition. the activities involved...
QUESTION 26 Marketing can be defined as simply being better than the competition. the activities involved in selling better than the competition. the activities involved in marketing better than the competition. the activities involved in assessing and satisfying customer needs. 2 points    QUESTION 27 When Campbell's leverages its core competency of making soup adding new products such as "Cup of Soup" or "Chunky" it is using a product development strategy known as product line expansion. product line extension. product...
1. A city official claims that the proportion of all commuters who are in favor of...
1. A city official claims that the proportion of all commuters who are in favor of an expanded public transportation system is 50%. A newspaper conducts a survey to determine whether this proportion is different from 50%. Out of 225 randomly chosen commuters, the survey finds that 90 of them reply yes when asked if they support an expanded public transportation system. Test the official’s claim at α = 0.05. 2. A survey of 225 randomly chosen commuters are asked...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT