Liz4zyyw2wwgopsika Liz4zyyw2wwgopsika
  • 19-11-2016
  • Mathematics
contestada

430 randomly selected light bulbs were tested in a laboratory, 224 lasted more than 500 hours. Find a point estimate of the proportion of all light bulbs that last more than 500 hours

Respuesta :

syed514
syed514 syed514
  • 20-11-2016
the estimated portion of light bulbs that last more than 500 hours will be
x=∑xn=224/430=0.521=52.1%
Answer Link

Otras preguntas

GUYS, PLEASE HELP ME PLEASE. THANKS.
The Mycenian people were primarily
Please help ASAP!!! Thanks! :) (−3)(a+x), if a=8, x=−10
In what year did China launch its first manned satellite? China launched its first manned satellite in .
Who was responsible for breaking up the Hoovervilles and what happened to him later?
What is most likely to happen to the populations of herbivores and carnivores in the ecosystem
PLEASE HELP!!! WORTH 20 POINTS!!!! There are three boxes, one containing two oranges, another containing two apples, and another containing one apple and one or
An elderly woman in a nursing home no longer goes outside to enjoy the sunshine and fresh air, has reduced her meat intake because her dentures don't fit well,
6. The maximum growth rate characteristic of a species is called its ________.
Help please thanks:/