This topic contains a solution. Click here to go to the answer

Author Question: Solve the problem. Round your answer to one decimal place, if necessary.A random sample of 30 long ... (Read 49 times)

moongchi

  • Hero Member
  • *****
  • Posts: 516

Question 1

Solve the problem. Round your answer to one decimal place, if necessary.

A random sample of 30 households was selected from a particular neighborhood. The number of cars for each household is shown below. Find the 95% confidence interval for the mean number of cars per household for the population of households in this neighborhood.



◦ 1.2 cars < μ < 2 cars
◦ 1 car < μ < 2 cars
◦ 1.5 cars < μ < 1.9 cars
◦ 1.1 cars < μ < 1.7 cars

Question 2

Solve the problem. Round your answer to one decimal place, if necessary.

A random sample of 30 long distance runners  aged 20-25 was selected from a running club.  The resting heart rates (in beats per minute) of the runners are shown below. Find the 95% confidence interval for the mean resting heart rate for the population of long distance runners aged 20-25.



◦ 64.9 beats per minute < μ < 70.9 beats per minute
◦ 64.1 beats per minute < μ < 70.1 beats per minute
◦ 64.6  beats per minute < μ < 71.6 beats per minute
◦ 63.7 beats per minute < μ < 72.2 beats per minute


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by moongchi on Jan 18, 2020

Ptupou85

  • Sr. Member
  • ****
  • Posts: 334
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 50% of students answer this correctly




moongchi

  • Member
  • Posts: 516
Reply 2 on: Jan 18, 2020
Excellent


kalskdjl1212

  • Member
  • Posts: 353
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

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?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

For a complete list of videos, visit our video library