A random digit generator on an electronic calculator is, Ask an Expert

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A random digit generator on an electronic calculator is activated twice to simulate a random two-digit number. Theoretically, each digit from 0 to 9 is just as likely to appear on a given trial as any other digit.

(a) How many random two-digit numbers are possible?

(b) How many of these numbers begin with the digit 2?

(d) How many of these numbers begin with the digit 2 and end with the digit 9?

(e) What is the probability that a randomly formed number ends with 9 given that it begins with a 2. Did you anticipate this result?

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Statistics and Probability, Statistics

Category:- Statistics and Probability
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