mean of 32 and standard deviation of 2?

1 ⤊

z values for 29 and 34
32 and 34

2006-11-14 17:20:32 · 2 answers · asked by queen of slidell 1 in Science & Mathematics ➔ Mathematics

z(29) = 0.0668
z(34) = 0.8413
z(32) = 0.5000
P(29 < x < 34) = 0.7745
P(32 < x < 34) = 0.3413

2006-11-14 17:51:06 · answer #1 · answered by Helmut 7 · 0⤊ 1⤋

z = ( x - Î¼) / Ï

z = ( 29 - 32 ) / 2 = -1.5
z = ( 32 - 32 ) / 2 = 0
z = ( 34 - 32 ) / 2 = 1

2006-11-15 01:32:48 · answer #2 · answered by novangelis 7 · 1⤊ 0⤋