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 255 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
Excellent

miss_1456@hotmail.com

  • Member
  • Posts: 289
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

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?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Generalized transduction by random incorporation of bacterial DNA into phage heads Generalized transduction by random incorporation of bacterial DNA into phage heads
Angry jeers from whites rain down on Elizabeth Eckford, one of the first African American students ... Angry jeers from whites rain down on Elizabeth Eckford, one of the first African American students ...
The vast majority of older adults live in their own homes, even when they need special equipment or ... The vast majority of older adults live in their own homes, even when they need special equipment or ...
Sample Teaching Plan for Hypertension Cont. Sample Teaching Plan for Hypertension Cont.
A sample flow sheet. A sample flow sheet.
Ringworm is a local contraindication for massage. Centers for Disease Control and Prevention. Ringworm is a local contraindication for massage. Centers for Disease Control and Prevention.
Video: Contraction and Relaxation Animation

For a complete list of videos, visit our video library