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 256 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
:D TYSM

smrtceo

  • Member
  • Posts: 344
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Thyroid conditions may make getting pregnant impossible.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Sample prescriptions of antibiotics for dental infections. Sample prescriptions of antibiotics for dental infections.
After multiple injections of a local anesthetic, the patient developed herpetic lesions. After multiple injections of a local anesthetic, the patient developed herpetic lesions.
Sample Daily Log For Holistic Self-Care Plan. Sample Daily Log For Holistic Self-Care Plan.
High school students shopping at the mall High school students shopping at the mall
Assume z is a standard normal random variable. What is the value of z if the area to the right ... Assume z is a standard normal random variable. What is the value of z if the area to the right ...
One generation of random mating produces Hardy–Weinberg equilibrium One generation of random mating produces Hardy–Weinberg equilibrium
Video: Interview with an Anorexic Woman (Part 1 of 2)

For a complete list of videos, visit our video library