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 19 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
Wow, this really help

bimper21

  • Member
  • Posts: 309
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

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.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

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
Hospitalization per year Hospitalization per year
Understanding Food Claims Not all label claims are created equal! Understanding Food Claims Not all label claims are created equal!
Suppose that we have a sample space with five equally likely experimental outcomes: E1, E2, E3, ... Suppose that we have a sample space with five equally likely experimental outcomes: E1, E2, E3, ...
A promissory note has a face value of $6000 and it has a date of issue of June 1 this year. The ... A promissory note has a face value of $6000 and it has a date of issue of June 1 this year. The ...
Video: Supine Position

For a complete list of videos, visit our video library