This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A survey of 700 non-fatal accidents showed that 143 involved faulty equipment. Find a point estimate ... (Read 109 times)

scienceeasy

  • Hero Member
  • *****
  • Posts: 565
on: Jul 24, 2018
A survey of 700 non-fatal accidents showed that 143 involved faulty equipment. Find a point estimate for p, the population proportion of accidents that involved faulty equipment.
 
  A) 0.204 B) 0.796 C) 0.257 D) 0.170

Question 2

A recent survey found that 69 of all adults over 50 wear sunglasses for driving. In a random sample of 20 adults over 50, what is the mean and standard deviation of those that wear sunglasses?
 
  A) mean: 13.8; standard deviation: 2.06833266 B) mean: 13.8; standard deviation: 3.71483512
  C) mean: 6.2; standard deviation: 2.06833266 D) mean: 6.2; standard deviation: 3.71483512


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mfedorka

  • Sr. Member
  • ****
  • Posts: 324
Reply #1 on: Jul 24, 2018
Answer to Question 1

A

Answer to Question 2

A


scienceeasy

  • Member
  • Posts: 565
Reply 2 on: Jul 24, 2018
Excellent

debra928

  • Member
  • Posts: 342
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Oxygen Equipment 2 Oxygen Equipment 2
Sample equipment maintenance log. Sample equipment maintenance log.
How to use the product rule to find the derivative of a function How to use the product rule to find the derivative of a function
How to find the indefinite integral of a function How to find the indefinite integral of a function
For each function f(x) = 6x^2 - 4, estimate the instantaneous rate of change for the given ... For each function f(x) = 6x^2 - 4, estimate the instantaneous rate of change for the given ...
Use the product rule to find derivative Use the product rule to find derivative
Video: DNA close up Animation

For a complete list of videos, visit our video library