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Engineering Mathematics
Probability and Statistics
Practice questions from Probability and Statistics.
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Q#1
Probability and Statistics
GATE EC 2025 (Set 1)
MCQ
+1 mark
-0.33 marks
A pot contains two red balls and two blue balls. Two balls are drawn from this pot randomly without replacement.
What is the probability that the two balls drawn have different colours?
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Q#2
Probability and Statistics
GATE EC 2025 (Set 1)
NAT
+2 marks
-0 marks
Two fair dice (with faces labeled , and 6) are rolled. Let the random variable denote the sum of the outcomes obtained.
The expectation of is _________ (rounded off to two decimal places).
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