Answered step by step

Verified Expert Solution

Link Copied!

Question

1 Approved Answer

Posted on Jun 16, 2024

A statistics professor finds that the time (in second) to improve her quiz has a mean of 180 seconds and a standard deviation of 30

A statistics professor finds that the time (in second) to improve her quiz has a mean of 180 seconds and a standard deviation of 30 seconds. Is a time of 90 seconds unusual? Why or why not

Step by Step Solution

There are 3 Steps involved in it

Step: 1

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

Step: 3

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Successful Writing At Work Concise Edition

Authors: Philip C Kolin

4th Edition

1285974344, 9781285974347

More Books

Students also viewed these Mathematics questions

Question

★★★★★

The uniform rod AB has a weight of 10 lb. If the spring DC is unstretched when ? = 0 o , determine the angle ? for equilibrium using the principle of virtual work. The spring always remains in the...

Answered: 1 week ago

Question

★★★★★

Revise the baseDMA-lacksDMA-hasDMA class hierarchy so that all three classes are derived from an ABC. Test the result with a program similar to the one in Listing 13.10. That is, it should feature an...

Answered: 1 week ago

Question

★★★★★

Js car buying policy is to always buy a new car, repair all breakdowns that occur during the first T time units of ownership, and then junk the car and buy a new one at the first breakdown that...

Answered: 1 week ago

Question

★★★★★

Family Friendly Photography has just finished its first year of business. It specializes in group portraits, though the company also handles individual portraits. Revenue is determined per photo...

Answered: 1 week ago

Question

★★★★★

Questions Which face ( as shown ) corresponds to axial attack? Top or Bottom

Answered: 1 week ago

Question

★★★★★

Bennett and Barney decide to form a partnership on 01/07/2021. Bennett and Barney operate on an accrual basis with the financial year from 1 July to the 30 June the following year. Partnership...

Answered: 1 week ago

Question

★★★★★

During a recent meeting, a dispute arose between managers and employees regarding some changes that had recently been implemented. The argument went on for some time, until one manager stood up and...

Answered: 1 week ago

Question

★★★★★

A. Veta inc., has a asset of $400,000 in total where it comprises of equity 70% and debt of 30% (12%) interest. The company was planning to do some investment and it anticipates the increase of...

Answered: 1 week ago

Question

★★★★★

A liquid crystal cell has the front electrode grooved vertically and the rear electrode grooved horizontally. Sheets that transmit only vertically polarized light are placed before and after the...

Answered: 1 week ago

Question

★★★★★

used, and the importance of adhering to these procedures K12 Explain how the components are to be aligned, adjusted and positioned prior to securing, and the tools and equipment that is used K13...

Answered: 1 week ago

Question

★★★★★

You start a consulting business after graduation to do website development for small companies. As your organization grows, you hire more people but communication is informal, employees are committed...

Answered: 1 week ago

Question

★★★★★

Clarence has been investing $1,000 at the end of every year at 11% compounded annually. With today's contribution his investment has grown to $44,500. How many years ago did he make the first...

Answered: 1 week ago

Question

★★★★★

please help me to figure out these questions. thanks Resources e that a stock is priced at $25 and pays an annual dividend of SI per share A . Assume that an investor purchases the stock paying 100%...

Answered: 1 week ago

Question

★★★★★

2. What information is conveyed through a particular type of metaphor? The answer to the question gives us insight into what code the person using the metaphor uses, and thus an insight into how...

Answered: 1 week ago

Question

★★★★★

2. Give six examples that silence (not saying anything) or not responding can be very informative to the other party.

Answered: 1 week ago

Question

★★★★★

1. Discuss the following statements: a) The smaller the unit of measurement used to measure a coastline, the longer the coastline becomes. b) The interpretation is different from what is interpreted....

Answered: 1 week ago

Previous Question Next Question