A minority representation group accuses a major bank of racial discrimination in its recent hires for financial analysts. Exactly 10% of all applications were from minority members, and exactly 9% of the 900 open positions were filled by members of the minority. Find the mean of p , where p is the proportion of minority member applications in a random sample of 900 that is drawn from all applications. Find the standard deviation of p . Compute an approximation for P≤p0.09 , which is the probability that there will be 9% or fewer minority member applications in a random sample of 900 drawn from all applications. Round your answer to four decimal places.

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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A minority representation group accuses a major bank of racial discrimination in its recent hires for financial analysts. Exactly 
10%
 of all applications were from minority members, and exactly 
9%
 of the 
900
 open positions were filled by members of the minority.
  1. Find the mean of 
    p
    , where 
    p
     is the proportion of minority member applications in a random sample of 
    900
     that is drawn from all applications.
  2. Find the standard deviation of 
    p
    .
  3. Compute an approximation for 
    P≤p0.09
    , which is the probability that there will be 
    9%
     or fewer minority member applications in a random sample of 
    900
     drawn from all applications. Round your answer to four decimal places.
(If necessary, consult a list of formulas.)
a.b.c.
 
 
 
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