The random variable, x, has a normal distribution. How many standard deviations above the mean must the point P be placed if the tail-end is to represent (@) 10% (b) 5% (o) 1% of the total area? (See Figure 29.20.)

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
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‘ The random variable, x, has a normal distribution. How many standard deviations above the mean must the point P be placed if the tail-end is to represent (@) 10% (b) 5% (o) 1% of the total area? (See Figure 29.20.)
6 The random variable, x, has a normal distribution.
How many standard deviations above the mean must
the point P be placed if the tail-end is to represent
(а) 10%
(b) 5%
(c) 1%
of the total area? (See Figure 29.20.)
N(x)
Transcribed Image Text:6 The random variable, x, has a normal distribution. How many standard deviations above the mean must the point P be placed if the tail-end is to represent (а) 10% (b) 5% (c) 1% of the total area? (See Figure 29.20.) N(x)
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