« previous next »

Author Question: An elementary school teacher learned that 40 percent of school age children have at least 3 ... (Read 108 times)

jho37

  • Hero Member
  • *****
  • Posts: 531
on: Jun 24, 2018
An elementary school teacher learned that 40 percent of school age children have at least 3 cavities. The teacher has 30 students in his class. What is the probability that 10 students from this class have at least 3 cavities?

Question 2

True or False An estimator is unbiased if the expected value of the sample statistic is the same as the actual value of the population parameter it is intended to estimate.
  Indicate whether the statement is true or false


nicoleclaire22

  • Sr. Member
  • ****
  • Posts: 318
Reply #1 on: Jun 24, 2018
Answer to Question 1

0.1115

Answer to Question 2

T


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

jho37

  • Hero Member
  • *****
  • Posts: 531
Reply #2 on: Jun 24, 2018
Thank you :)


nicoleclaire22

  • Sr. Member
  • ****
  • Posts: 318
Reply #3 on: Jun 24, 2018
Happy to help you


« previous next »
 

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

first day of my chemistry class.. this is what the teacher had to say first day of my chemistry class.. this is what the teacher had to say
International Television Viewing Rates in Childhood In most developed countries, children watch TV International Television Viewing Rates in Childhood In most developed countries, children watch TV
Percent of Mothers in the Workforce by Age of Children and Marital Status Percent of Mothers in the Workforce by Age of Children and Marital Status
Auguste Renoir: MME. CHARPENTIER AND HER CHILDREN Auguste Renoir: MME. CHARPENTIER AND HER CHILDREN
Blood pressure cuffs are available in various types and sizes for infants and children Blood pressure cuffs are available in various types and sizes for infants and children
Children who witnessed violence in their homes Children who witnessed violence in their homes
Video: Interview with an Anorexic Woman (Part 1 of 2)

For a complete list of videos, visit our video library