PLEASE SHOW WORK
Random variable ? has a discrete distribution below with all the possible outcomes:
X | 1 | 2 | 3 | 5 |
?(? = ?) | 0.3 | 0.2 | 0.1 | b |
a) Find the value b.
b)Find the expected value of ?, ?(?).
c) Find the variance of ?, ?ar(?).
d) Find the standard deviation of ?, ?x.
PLEASE SHOW WORK Random variable ? has a discrete distribution below with all the possible outcomes:...
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