Author Question: An elementary school teacher learned that 40 percent of school age children have at least 3 ... (Read 107 times)

jho37

  • Hero Member
  • *****
  • Posts: 531
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
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


 

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

For a complete list of videos, visit our video library