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 58 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

FergA

  • Member
  • Posts: 352
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Functional MRI Scans These scans of human brains show localized average increases in neural activity Functional MRI Scans These scans of human brains show localized average increases in neural activity
The proportion of obese and extremely obese adults in the United States has increased over the past The proportion of obese and extremely obese adults in the United States has increased over the past
Portion sizes of French fries have more than doubled from the past Portion sizes of French fries have more than doubled from the past
The following information relates to the Cutting Department of Kittina Corporation for the ... The following information relates to the Cutting Department of Kittina Corporation for the ...
Jamal plans to retire in 17 years. He is saving $2000 every start of the month in a retirement ... Jamal plans to retire in 17 years. He is saving $2000 every start of the month in a retirement ...
Development of the Dungeness crab (Cancer magister). The crabs live for 8 to 10 years. Development of the Dungeness crab (Cancer magister). The crabs live for 8 to 10 years.
Video: Non-polar compounds - insolubility

For a complete list of videos, visit our video library