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One is asked to say a two digit number.a) How many two digit numbers are there ? b) What is the probability of getting a number in which one of the digits is 1 ? c) What is the probability of getting a number in which the product of the digits is a prime number ? |
Answer» <html><body><p><strong>Step-by-step explanation:</strong></p><p>10,11,12,13,14,20,21,22,23,24,30,31,32,33,34,40,41,42,43,44</p><p></p><p>1) Prime number</p><p></p><p>11,13,23,29,31,37,41,43</p><p></p><p>P= </p><p>20</p><p>8</p><p> </p><p> </p><p></p><p><a href="https://interviewquestions.tuteehub.com/tag/2-283658" style="font-weight:bold;" target="_blank" title="Click to know more about 2">2</a>)<a href="https://interviewquestions.tuteehub.com/tag/multiple-1105557" style="font-weight:bold;" target="_blank" title="Click to know more about MULTIPLE">MULTIPLE</a> of 4</p><p></p><p>12,16,20,24,28,32,36,40,44</p><p></p><p>P= </p><p>20</p><p>9</p><p> </p><p> </p><p></p><p>3)Multiple of 11</p><p></p><p>11,22,33,44</p><p></p><p>P= </p><p>20</p><p>4</p><p> </p></body></html> | |