Question 671793
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
&#956; = $3262 ,   &#963; = $1100  
P(x &#8805; 1000) = 1 -  P(z < (1000-3262)/1100) = 1 - P(z < -2.0564) = 98.01 %
P(x > 4000) = 1 -  P(z &#8804; (4000-3262)/1100) = 1 - P(z &#8804; .6709) = 25.11%
P(3000 > x < 4000) = P(z &#8804; (4000-3262)/1100) - P(z &#8804; (3000-3262)/1100)= 74.89 - 40.59