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

Author Question: The average lifetime of a light bulb is 3,000 hours with a standard deviation of 696 hours. A simple ... (Read 154 times)

Caileynorton

  • Full Member
  • ***
  • Posts: 132
on: Mar 25, 2023

The average lifetime of a light bulb is 3,000 hours with a standard deviation of 696 hours. A simple random sample of 36 bulbs is taken.

a.What are the expected value, standard deviation, and shape of the sampling distribution of ?
b.What is the probability that the average life in the sample will be between 2,670.56 and 2,809.76 hours?
c.What is the probability that the average life in the sample will be greater than 3,219.24 hours?
d.What is the probability that the average life in the sample will be less than 3,180.96 hours?

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 Caileynorton on Mar 25, 2023

xinyifff

  • Full Member
  • ***
  • Posts: 159
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 29% of students answer this correctly


Caileynorton

  • Member
  • Posts: 132
Reply 2 on: Mar 25, 2023
Thanks for the timely response, appreciate it

lindahyatt42

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Supernova Light Curves Supernova Light Curves
Temperature cycles for 24 hours Temperature cycles for 24 hours
Average national IQs according to IQ and Global Inequality Average national IQs according to IQ and Global Inequality
To check for voltage at terminal 30, use a test light or a voltmeter. Start by connecting the ... To check for voltage at terminal 30, use a test light or a voltmeter. Start by connecting the ...
Cumulative Standard Normal Distribution Cumulative Standard Normal Distribution
standard reduction potential (Eo), the greater the tendency of the oxidized form of a redox couple standard reduction potential (Eo), the greater the tendency of the oxidized form of a redox couple
Video: Morphology of a tomato plant

For a complete list of videos, visit our video library