The probability distribution of a random variable X, where k is a constant is given below :
,
Determine (a) the value of k
(b)
(c) Mean of the variable X.
Given:
i)
ii)
iii)
CBSE Class 12 board exams 2025 to have 50% competency-based questions; no change in 10th
CBSE Class 12 board exams 2024 over; expected result date, trends of last 10 years
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