nyiapower271 nyiapower271
  • 23-10-2019
  • Mathematics
contestada

A researcher reports survey results by stating that the standard error of the mean is 20. The population standard deviation is 500.
a. How large was the sample used in this survey?
b. What is the probability that the point estimate was within ±25 of the population mean?

Respuesta :

26sterav
26sterav 26sterav
  • 24-10-2019

multiply 20 by 500. it should help you with the problem.

Answer Link

Otras preguntas

Based only on the distance between the valence electron and the nucleus, which atom has a stronger attraction between its nucleus and its valence electrons? How
for my assignment what numbers are divisible by 2 and 5
What is the change in temperature from 15° to -9°? -6° 6° -24° 24°
[tex]45% of 75[/tex]
An isotope of carbon has 6 protons and 8 neutrons. What is the atomic mass of this element? 6 O 12 O 12.011 O 14
The kid nobody could handle: What is the bulk this story made up of?
State which theorem you can use to show that the quadrilateral is a parallelogram.
Can u solve this one attached below
Painter has 7/8 liters of paint remaining each statue requires 1/20 how many statues can she paint
(b) () State what is meant by specific acoustic impedance............[2]​