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

Author Question: In a local university, 10 of the students live in the dormitories. A random sample of 100 students ... (Read 294 times)

olgavictoria

  • Hero Member
  • *****
  • Posts: 528
on: Jun 24, 2018
In a local university, 10 of the students live in the dormitories. A random sample of 100 students is selected for a study.
 a. What is the probability that the sample proportion of students living in the dormitories is between .172 and .178?
 b. What is the probability that the sample proportion of students living in the dormitories is greater than .025?

Question 2

Assume z is a standard normal random variable. Then P(1.20  z  1.50) equals _____.
 a. .0483
  b. .3849
  c. .4332
  d. .8181


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ASDFGJLO

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jun 24, 2018
Answer to Question 1

a. .0035
b. .9938

Answer to Question 2

d


olgavictoria

  • Member
  • Posts: 528
Reply 2 on: Jun 24, 2018
Great answer, keep it coming :)

shailee

  • Member
  • Posts: 392
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

John Hopkins University John Hopkins University
(a) Savanna baboons live in female-philopatric groups, among which males migrate. (b) Chimpanzees li (a) Savanna baboons live in female-philopatric groups, among which males migrate. (b) Chimpanzees li
The Kingsley plantation, on Fort George Island in Jacksonville, Florida. Zephaniah Kingsley, the own The Kingsley plantation, on Fort George Island in Jacksonville, Florida. Zephaniah Kingsley, the own
Sample inventory order form. Sample inventory order form.
Sample time management planning chart for a massage student. Sample time management planning chart for a massage student.
Sample Daily Log For Holistic Self-Care Plan. Sample Daily Log For Holistic Self-Care Plan.
Video: Fetal development - Weeks 9 to 38

For a complete list of videos, visit our video library