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 76 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
Excellent

cici

  • Member
  • Posts: 325
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Although average brain size increases gradually though time in H. erectus, individuals with small br Although average brain size increases gradually though time in H. erectus, individuals with small br
The age-related increase in spirituality is different for two cohorts born seven years apart. The ... The age-related increase in spirituality is different for two cohorts born seven years apart. The ...
Nicotine replacement therapy: transdermal patch Nicotine replacement therapy: transdermal patch
Standard precaution guidelines. Additional guidelines/protocols may be utilized depending on the ... Standard precaution guidelines. Additional guidelines/protocols may be utilized depending on the ...
Greet a First-Time Client With a Firm Handshake. Greet a First-Time Client With a Firm Handshake.
The Hfr chromosome time-of-entry map is assembled from the recombinant data The Hfr chromosome time-of-entry map is assembled from the recombinant data
Video: Physiology of Asthma

For a complete list of videos, visit our video library