What is the probability, The probability distribution for X

What is the probability

Reference no: EM131416008

A professor gives a weekly quiz with varying numbers of questions and uses a randomization device to decide how many questions to include. Let the random variable X = the number of questions on an upcoming quiz.

The probability distribution for X is given in the following table, but one probability is missing. What is the probability that X = 30?

No. of Questions, X	10	15	20	25	30
Probability	.05	.20	.50	.15	?

Reference no: EM131416008

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