Let X denote the number of hours you study during a randomly selected school day. The probability that X can take the values x, has the following where k is come unknown constant.
Find the value of k.
Answer & explanation
Correct answer: option 2
(0)(0.1) + (1)(k) + (2)(2k) + (3)(2k) + (4)(k) = 1
k = 0.15