« previous next »

Author Question: Safety Insurance Company has compiled the following statistics. For any one year period: P(accident ... (Read 169 times)

sdfghj

  • Hero Member
  • *****
  • Posts: 552
on: Jun 24, 2018
Safety Insurance Company has compiled the following statistics. For any one year period: P(accident  male driver under 25) = .22 P(accident  male driver over 25) = .15 P(accident  female driver under 25 = .16 P(accident  female driver over 25) = .14 The percentage of Safety's policyholders in each category are: Male Under 25 20 Male Over 25 40 Female Under 25 10 Female Over 25 30
 a. What is the probability that a randomly selected policyholder will have an accident within the next year?
  b. Given that a driver has an accident, what is the probability that the driver is a male over 25?
  c. Given that a driver has no accident, what is the probability the driver is a female?
  d. Does knowing the fact that a driver has had no accidents give us a great deal of information regarding the driver's sex?

Question 2

If only MSE is known, you can compute the
 a. r square
  b. coefficient of determination
  c. standard error
  d. all of these alternatives are correct


recede

  • Sr. Member
  • ****
  • Posts: 315
Reply #1 on: Jun 24, 2018
Answer to Question 1

a. .162
b. .37
c. .408
d. no

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

(A) A 62-year-old patient with myxedema exhibiting marked edema of the face and a somnolent look. Th (A) A 62-year-old patient with myxedema exhibiting marked edema of the face and a somnolent look. 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
Interventions to promote safety for children Interventions to promote safety for children
Embryonic Period - After fertilization (at about 24 hours) Embryonic Period - After fertilization (at about 24 hours)
Fetal Period Fetal Period
Chinese Dragon new year 2024 Chinese Dragon new year 2024
Video: Epinephrine/NE (heart rate, altered blood flow, glycogenolysis & bronchodilation)

For a complete list of videos, visit our video library