Question 1197517
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Hi
Question 24
{{{z =blue (x - mu)/blue(sigma)}}} ,  z = 5/15
P(x>105) = 1 - P(x ≤ 105) = 1 - P( z ≤ 1/3) = .3694
  
Question 25
 {{{z =blue (x - mu)/blue(sigma/sqrt(n))}}}
 P(sample mean > 105) = .0067  
Wish You the Best in your Studies.
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