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 292 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
Thanks for the timely response, appreciate it

patma1981

  • Member
  • Posts: 292
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Sample Exercise Prescription for Weight Training: Beginner Sample Exercise Prescription for Weight Training: Beginner
William Morris, Page from a specimen book with sample proof letters, Kelmscott Press. William Morris, Page from a specimen book with sample proof letters, Kelmscott Press.
Sample Exercise Program for Limited Older Adults Sample Exercise Program for Limited Older Adults
Self-Esteem in a Longitudinal Sample Self-Esteem in a Longitudinal Sample
Probiotics are live microorganisms, usually bacteria, mainly found in cultured dairy foods Probiotics are live microorganisms, usually bacteria, mainly found in cultured dairy foods
Sample lod score curves Sample lod score curves
Video: Ear Animation

For a complete list of videos, visit our video library