« previous next »

Author Question: A survey of 400 non-fatal accidents showed that 197 involved faulty equipment. Find a point estimate ... (Read 97 times)

casperchen82

  • Hero Member
  • *****
  • Posts: 540
on: Jul 25, 2018
A survey of 400 non-fatal accidents showed that 197 involved faulty equipment. Find a point estimate for p, the population proportion of accidents that involved faulty equipment.
 
  A) 0.330 B) 0.493 C) 0.508 D) 0.970

Question 2

The number of violent crimes committed in a day possesses a distribution with a mean of 1.2 crimes per day and a standard deviation of four crimes per day.
 
  A random sample of 130 days was observed, and the sample mean number of crimes for the sample was calculated. The data that was collected in this experiment could be measured with a __________ random variable.
  A) discrete B) continuous


ynlevi

  • Sr. Member
  • ****
  • Posts: 338
Reply #1 on: Jul 25, 2018
Answer to Question 1

B

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

How to find the derivatives of inverse hyperbolic functions How to find the derivatives of inverse hyperbolic functions
Survey of conserved nucleotides in E. coli promoters Survey of conserved nucleotides in E. coli promoters
How to find the average atomic mass of an element How to find the average atomic mass of an element
Four-point scale for grading edema Four-point scale for grading edema
The slope of the curve y = ax^3 - bx^2 + cx - 3 at x = 2 is 5. If the point of inflection of the cur The slope of the curve y = ax^3 - bx^2 + cx - 3 at x = 2 is 5. If the point of inflection of the cur
Find derivative using chain rule Find derivative using chain rule
Video: Protein catabolism (Krebs cycle) and Protein anabolism (protein synthesis)

For a complete list of videos, visit our video library