0.3 and 0.4 respectively. Le variance of T is? 05

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 30E
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The random variables A and B have variances
0.3 and 0.4 respectively. Let T= 5A-2B. The
variance of T is?
a.
O
O b. 9.1
O
9.5
O C.
C. 7.1
d. 8.1
Transcribed Image Text:The random variables A and B have variances 0.3 and 0.4 respectively. Let T= 5A-2B. The variance of T is? a. O O b. 9.1 O 9.5 O C. C. 7.1 d. 8.1
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