the value of k that will satisfy the condition P(X < k) = 0.2236? Select one: O a. 13.25 O b. 22.75 O c. 19.90 O d. 16.10

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.6: The Inverse Trigonometric Functions
Problem 91E
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Given a normally distributed variable X with
mean 18 and standard deviation 2.5, what is
the value of k that will satisfy the condition
P(X < k) = 0.2236?
Select one:
O a. 13.25
O b. 22.75
O c.
19.90
O d.
16.10
Transcribed Image Text:Given a normally distributed variable X with mean 18 and standard deviation 2.5, what is the value of k that will satisfy the condition P(X < k) = 0.2236? Select one: O a. 13.25 O b. 22.75 O c. 19.90 O d. 16.10
Which of the following transformations will
yield a standard normally distributed variable
given X N(μ, σ²)?
Select one:
O a.
Subtracting u from X then
multiplying everything by
O b. Subtracting u from X then
multiplying everything by ²
O c. Subtracting µ from X then dividing
μ
everything by o
O d. Subtracting u from X then dividing
everything by o
Transcribed Image Text:Which of the following transformations will yield a standard normally distributed variable given X N(μ, σ²)? Select one: O a. Subtracting u from X then multiplying everything by O b. Subtracting u from X then multiplying everything by ² O c. Subtracting µ from X then dividing μ everything by o O d. Subtracting u from X then dividing everything by o
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