SOLUTION: The workers union at a certain university is quite strong. About 96% of all workers employed by the university belong to the workers union. recently the workers went on strike, and
Algebra.Com
Question 473263: The workers union at a certain university is quite strong. About 96% of all workers employed by the university belong to the workers union. recently the workers went on strike, and now a local TV station plans to interviews a sample of 10 workers, chosen at random, to get their opinions on the strike.
A) Estimate the number of workers in the sample who are union members by giving the mean of the relevant distribution (that is, the expectation of the relevant random variable).vDo not round your response.
B) Quantify the uncertainty of your estimate by giving the standard deviation of the distribution. Round your response to at least three decimal places.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
The workers union at a certain university is quite strong. About 96% of all workers employed by the university belong to the workers union. recently the workers went on strike, and now a local TV station plans to interview a sample of 10 workers, chosen at random, to get their opinions on the strike.
-----
A) Estimate the number of workers in the sample who are union members by giving the mean of the relevant distribution (that is, the expectation of the relevant random variable).vDo not round your response.
---
mean = np = 10*0.95 = 9.5
===================================
B) Quantify the uncertainty of your estimate by giving the standard deviation of the distribution. Round your response to at least three decimal places.
---
std = sqrt(npq) = sqrt(9.5*0.05) = 0.6892
========================
Cheers,
Stan H.
===============
RELATED QUESTIONS
The workers' union at a particular university is quite strong. About 96% of all workers (answered by stanbon)
The workers' union at a certain university is quite strong. About 96%
of all workers... (answered by Boreal)
The workers' union at a certain university is quite strong. About of all workers... (answered by stanbon)
The workers' union at a particular university is quite strong. About 94% of all workers... (answered by ikleyn)
Help me with this please!!
The workers' union at a certain university is quite strong. (answered by stanbon)
A business has 750 workers. 44% belong to a union. If 77 more workers join the union,... (answered by Theo)
I am so so lost!!! Please help! Been working on this for 3 hours now!
In 2010 almost... (answered by solver91311)
A cetain factory employs 60 workers. If four out of five workers are married, how... (answered by lynnlo)
in a certain state, a survey of 500 workers showed that 45% belonged to a union. Find 90% (answered by stanbon)