Mari7e2eelingbabydor Mari7e2eelingbabydor
  • 20-04-2017
  • Mathematics
contestada

True or false: in building a confidence interval for a proportion you can cut the margin of error in half (from e to e/2 by doubling the sample size (from n to 2n.

Respuesta :

merrygoroundtheworld
merrygoroundtheworld merrygoroundtheworld
  • 20-04-2017
I think this is false. p +/- z*sqrt (pq/n) . Notice that the formula has sqrt of n.


Answer Link

Otras preguntas

Item 5Item 5 According to McClelland and others (2017) and Schmitt and others (2017), _____ attention involves action planning, allocating attention to goals, e
Years after he barely survived a terrorist attack that killed his wife and two children, Mr. Puskari suffers recurring flashbacks and frequent nightmares of the
Scoring: Your score will be based on the number of correct matches minus the mumber of incorrect matches. There is no penalty for missing matches Use the Refere
Last year, Buckner & Jones Company incurred the following costs: Direct materials $42,000 Direct labor 63,000 Manufacturing overhead 94,500 Selling expenses
Which of the following experiments could be used to determine the inertial mass of a block? A. Place the block on a rough horizontal surface. Lift one end of th
A ___ is something that has a meaning outside itself; something that represents something else.
The difference of the two numbers is 3 and their product is 10. What are the two numbers?
The inductance in the drawing has a value of L = 9.4 mH. What is the resonant frequency f0 of this circuit?
anna´s bank pays 8% simple. she opens an account with $5,000. find the balance in the account after 12 years​
How does “Jabberwocky” draw upon the myth of the hero?