2.27
2.27%
It is 0.158655, approx.
0.0668 or about 1/15
It is 0.158655 or 0.159 approx.is the anwer 0.8413, -0.3413, -0.1587, 0.1587
0.3829 approx.
It is the Standard Normal distribution.
Yes- this can be proved from the normal distribution function.
380 - 35 percent percent equals 2.47
Yes
The answer depends on what the distribution is!
"30 percent of 122 equals 85.4" is false. 30 percent of 122 equals 36.6.
62000 x 3/17 = 10941.18