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uprewardz
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uprewardz
Score
12
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2
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1
2 Questions
1 Answers
0
571
3
+12
Please help,
Please help,
I draw cards from a deck until i get a spade.
1) What is the probability that i need exactly 7 draws?
2) Given that six or more draws are required, what is the probability that exactly seven draws are required?
read more ..
Alan
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uprewardz
May 1, 2015
0
723
1
+12
Consider a random variable X such that P(X= -1) = P(X= 1) = ½
Consider a random variable X such that P(X= -1) = P(X= 1) = ½
a. Compute E(x)
b. Compute var(x)
c. Compute P(/X-μ/≥1)
read more ..
Alan
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uprewardz
Apr 18, 2015
#2
+12
+5
Thanks Alan but could you please explain in details?
uprewardz
May 1, 2015