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

Author Question: Suppose that daycare costs are normally distributed with a mean equal to 10,000 a year and a ... (Read 53 times)

bclement10

  • Hero Member
  • *****
  • Posts: 560
on: Jul 24, 2018
Suppose that daycare costs are normally distributed with a mean equal to 10,000 a year and a standard deviation equal to 2,000. What percentage of daycare centers will cost between 5,600 and 12,800?

Question 2

Suppose that daycare costs are normally distributed with a mean equal to 10,000 a year and a standard deviation equal to 2,000. What percentage of daycare centers will cost between 7,400 and 11,000?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

janeli1

  • Sr. Member
  • ****
  • Posts: 330
Reply #1 on: Jul 24, 2018
Answer to Question 1

P(5,600 < x < 12,800) = P(-2.20 < z < 1.40) = 0.4861 + 0.4192 = 0.9053

Answer to Question 2

P(7,400 < x < 11,000) = P(-1.30 < z < 0.50) = 0.4032 + 0.1915 = 0.5947


bclement10

  • Member
  • Posts: 560
Reply 2 on: Jul 24, 2018
Gracias!

nanny

  • Member
  • Posts: 313
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Reindeer antlers grow again each year under a layer of fur called velvet. This reindeer is losing th Reindeer antlers grow again each year under a layer of fur called velvet. This reindeer is losing th
Defibrillator. Defibrillators are devices that supply a voltage charge to the heart in the hope of r Defibrillator. Defibrillators are devices that supply a voltage charge to the heart in the hope of r
First-pass effect: (a) drugs are absorbed; (b) drugs enter hepatic portal circulation and go directl First-pass effect: (a) drugs are absorbed; (b) drugs enter hepatic portal circulation and go directl
Understanding Food Claims Not all label claims are created equal! Understanding Food Claims Not all label claims are created equal!
Seven students have applied for merit scholarships. This year 3 merit scholarships were ... Seven students have applied for merit scholarships. This year 3 merit scholarships were ...
Sadie is going to see a movie and is taking her four kids. each movie ticket costs $15 and ... Sadie is going to see a movie and is taking her four kids. each movie ticket costs $15 and ...
Video: Major Elements in Biological Molecules: Nucleic acids

For a complete list of videos, visit our video library