An Etsy store receives an average of 6.5 returns per day from online shoppers. For a sample
Question:
An Etsy store 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 conclude the mean number of returns is less than 6.5?
Transcribed Image Text:
0 4 3 4 9 4 5 9 1 6 7 10
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 66% (3 reviews)
Assume the population is normally distributed ...View the full answer
Answered By
Seema kuldeep
although I don't have an experience of teaching in a particular institute, previously I was an expert on Chegg and I have used to teach my batch mates and also my juniors.
5.00+
1+ Reviews
10+ Question Solved
Related Book For
Statistical Techniques In Business And Economics
ISBN: 9781260239478
18th Edition
Authors: Douglas Lind, William Marchal, Samuel Wathen
Question Posted:
Students also viewed these Mathematics questions
-
For a sample of 12 items from a normally distributed population for which the standard deviation is = 17.0, the sample mean is 230.8. At the 0.05 level of significance, test H0: 220 versus H1: >...
-
For a sample of 12 college football players, the Mean heart rate after a morning workout session was 86 beats per minute, and the standard deviation of the sample was 8. Find the 90% confidence...
-
A random sample of shoppers at a convenience store are selected to see how much they spent on that visit. The standard deviation of the population is $6.43. How large a sample must be selected if the...
-
What is the probability that the number X of successes in the personnel managers sample of 100 employees in question 10 will be 48 or more?
-
Use your imagination to write the following: (1) a thank-you letter for the interview, (2) a note of inquiry, (3) a sequest for more time to decide, (4) a letter of acceptance, and (5) a letter...
-
Given the translational mechanical system of Figure P4.20, where K = 1 and f(t) is a unit step, find the values of M and f v to yield a response with 17% overshoot and a settling time of 10 seconds....
-
Repeat Problem 7.18 for a Kevlar \(^{\circledR} /\) epoxy composite having lamina properties as follows: Problem 7.18 An antisymmetric angle-ply \([+\theta /-\theta]\) laminate is to be made of...
-
Kerry is interested in selling her convenience store for approximately $250,000 to $300,000. As Kerry is unfamiliar with the commercial real estate market in Red Deer, she engages a real estate...
-
Examine advanced synchronization mechanisms in RTOS, such as priority inheritance and real-time mutexes. How do these mechanisms contribute to maintaining real-time performance ?
-
7.16 Figure 7.21 shows a pump delivering 840 L/min of crude oil (sg = 0.85) from an underground storage drum to the first stage of a processing system. (a) If the total energy loss in the system is...
-
According to ValuePenguin.com, the current 30-year mortgage rate is now less than 5%. A sample of eight small banks in the Midwest revealed the following rates (in percent): At the .01 significance...
-
Listed is the annual rate of return (reported in percent) for a sample of 12 taxable mutual funds. Using the .05 significance level, is it reasonable to conclude that the mean rate of return is more...
-
What does it mean to say that the dollar is depreciating with respect to the euro?
-
Is it necessarily the case that working conditions and rules are less flexible in a unionized organization? Why or why not? If it is the case, then how does this affect managements ability to make...
-
Quotas can be seen as means by which resources and opportunities are transferred from an advantaged group to a disadvantaged group. Some justify this approach by stating that it addresses past...
-
Generate survey or interview items that would capture value-, brand-, or retention-equity levels in workers. If possible, ask a sample of your friends and neighbors to take a survey based on your...
-
Students form into groups of four to six members and role-play National Labor Relations Board members. Each group discusses whether Amalgamated violated the Wagner Acts prohibition of a company...
-
Do you really think that social sites may inadvertently reinforce segmented communication channels as discussed in this chapter? Explain. While recommending a friend for a job has always been a...
-
A ferryboat is traveling in a direction 38.0o north of east with a speed of 5.50 m/s relative to the water. A passenger is walking with a velocity of 2.50 m/s due east relative to the boat. What is...
-
A regular deposit of $100 is made at the beginning of each year for 20 years. Simple interest is calculated at i% per year for the 20 years. At the end of the 20-year period, the total interest in...
-
According to the local union president, the mean gross income of plumbers in the Salt Lake City area follows the normal probability distribution with a mean of $45,000 and a standard deviation of...
-
Rutter Nursery Company packages its pine bark mulch in 50-pound bags. From a long history, the production department reports that the distribution of the bag weights follows the normal distribution...
-
A new weight-watching company, Weight Reducers International, advertises that those who join will lose, on the average, 10 pounds the first two weeks with a standard deviation of 2.8 pounds. A random...
-
Find the first derivative of the following equation: a. b. y=e3x y=e(x+1) d. y=125x+16-2x y=ln x y=ln (3x+x1) y=In (x+1)
-
The Cutting Department of Lasso Company has the following production and cost data for August. Production Costs 1. Started and completed 9,600 units. Beginning work in process $0 2. Started 2,300...
-
There is sufficient evidence to support the conclusion that a robust relationship exists between drugs and crime. Explain and discuss the studies that support this conclusion. Further explain and...
Study smarter with the SolutionInn App