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

Author Question: A population has a mean of 80 and a standard deviation of 7. A sample of 49 observations will be ... (Read 61 times)

allywil32

  • Full Member
  • ***
  • Posts: 144
on: Mar 25, 2023

Question 1

A population has a mean of 75 and a standard deviation of 8. A random sample of 800 is selected. The expected value of is


◦

8


◦

75


◦

800


◦

None of these alternatives is correct.



Question 2

A population has a mean of 80 and a standard deviation of 7. A sample of 49 observations will be taken. The probability that the sample mean will be larger than 82 is


◦

0.5228


◦

0.9772


◦

0.4772


◦

0.0228

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 allywil32 on Mar 25, 2023

fdsajkl

  • Full Member
  • ***
  • Posts: 160
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 25% of students answer this correctly


allywil32

  • Member
  • Posts: 144
Reply 2 on: Mar 25, 2023
Thanks for the timely response, appreciate it

miss_1456@hotmail.com

  • Member
  • Posts: 289
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Natural selection of a population for dark coloration. Natural selection of a population for dark coloration.
Population of Major Civilizations of Europe, Asia, and Africa, AD 1500 Population of Major Civilizations of Europe, Asia, and Africa, AD 1500
Sample Teaching Plan for Hypertension Cont. Sample Teaching Plan for Hypertension Cont.
Sample Advance Directive Sample Advance Directive
How to quickly determine the maximum or minimum value of a quadratic equation in standard form How to quickly determine the maximum or minimum value of a quadratic equation in standard form
Population distribution patterns Population distribution patterns
Video: Summary of female reproductive cycle days 1-28

For a complete list of videos, visit our video library