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

Author Question: The mean replacement time for a random sample of 12 CD players is 8.6 years with a standard ... (Read 111 times)

chads108

  • Hero Member
  • *****
  • Posts: 507
on: Feb 14, 2020

Question 1

The mean systolic blood pressure for a random sample of 28 women aged 18-24 is 112.4 mm Hg and the standard deviation is 12.8 mm Hg. Construct a 90% confidence interval for the standard deviation σ,  of the systolic blood pressures of all women aged 18-24. Round to the nearest hundredth when necessary.
◦ (9.98, 17.92)
◦ (10.34, 16.17)
◦ (10.5, 16.55)
◦ (10.97, 15.63)

Question 2

The mean replacement time for a random sample of 12 CD players is 8.6 years with a standard deviation of 3.4 years. Construct the 99% confidence interval for the population variance, σ2. Assume the data are normally distributed, and round to the nearest hundredth when necessary.
◦ (1.4, 14.37)
◦ (2.18, 6.99)
◦ (4.75, 48.85)
◦ (5.14, 41.64)
Statistics ¦ McClave, Sincich, Tamarack ¦ 12th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by chads108 on Feb 14, 2020

akudia

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Feb 14, 2020
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


chads108

  • Member
  • Posts: 507
Reply 2 on: Feb 14, 2020
YES! Correct, THANKS for helping me on my review

billybob123

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

Thyroid conditions may make getting pregnant impossible.

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

A levallois core from Kapedo Tuffs, Kenya dates about 130,000 years ago. A levallois core from Kapedo Tuffs, Kenya dates about 130,000 years ago.
Preschool: 3–6 years. Preschool: 3–6 years.
Suppose that we have a sample space with five equally likely experimental outcomes: E1, E2, E3, ... Suppose that we have a sample space with five equally likely experimental outcomes: E1, E2, E3, ...
The distribution of the number of hours that a random sample of people spend doing chores per ... The distribution of the number of hours that a random sample of people spend doing chores per ...
Standard base-pairing relationships Standard base-pairing relationships
Earth 150 Million Years Ago Earth 150 Million Years Ago
Video: Pasteur's Experiment

For a complete list of videos, visit our video library