This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: In the past, the average age of employees of a large corporation has been 40 years. Recently, the ... (Read 34 times)

ahunt13

  • Full Member
  • ***
  • Posts: 157
on: Mar 25, 2023

Question 1

In the last presidential election, a national survey company claimed that no more than 50% (i.e., < 50%) of all registered voters voted for the Republican candidate. In a random sample of 400 registered voters, 208 voted for the Republican candidate.

a.State the null and the alternative hypotheses.
b.Compute the test statistic.
c.At 95% confidence, compute the p-value and test the hypotheses.



Question 2

In the past, the average age of employees of a large corporation has been 40 years. Recently, the company has been hiring older individuals. In order to determine whether there has been an increase in the average age of all the employees, a sample of 64 employees was selected. The average age in the sample was 45 years with a standard deviation of 16 years. Let α = .05.

a.State the null and the alternative hypotheses.
b.Compute the test statistic.
c.Using the p-value approach, test to determine whether or not the mean age of all employees is significantly more than 40 years.

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by ahunt13 on Mar 25, 2023

annaelena92

  • Full Member
  • ***
  • Posts: 167
Reply #1 on: Mar 25, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 56% of students answer this correctly


ahunt13

  • Member
  • Posts: 157
Reply 2 on: Mar 25, 2023
Thanks for the timely response, appreciate it

pangili4

  • Member
  • Posts: 346
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Large-Flowered Trillium Large-Flowered Trillium
The Upper Cave at Zhoukoudian yields ages of about 25,000 years for Homo sapiens. The Upper Cave at Zhoukoudian yields ages of about 25,000 years for Homo sapiens.
Average national IQs according to IQ and Global Inequality Average national IQs according to IQ and Global Inequality
Correctly administering and interpreting an intelligence test is a skill that takes many years for ... Correctly administering and interpreting an intelligence test is a skill that takes many years for ...
The level of emissions from transport in the United States is twice as high as the global average The level of emissions from transport in the United States is twice as high as the global average
The Globe Fishery packs shrimp that weigh more than 1.91 ounces each in packages marked large ... The Globe Fishery packs shrimp that weigh more than 1.91 ounces each in packages marked large ...
Video: Energy sources - types

For a complete list of videos, visit our video library