Bin(n, p) and E(X) = 6, var(X) = 3. Then the number of trial n is Assume that X %24 %3D %3D A) n = 10 C) n = 8 B) n = 9 %3D D) n= 12

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Assume that X Bin(n,p) and E(X) = 6,
var(X) = 3. Then the number of trial n is
%24
%3D
%3D
B) n = 9
D) n= 12
A) n = 10
C) n = 8
Transcribed Image Text:Assume that X Bin(n,p) and E(X) = 6, var(X) = 3. Then the number of trial n is %24 %3D %3D B) n = 9 D) n= 12 A) n = 10 C) n = 8
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