1.

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»

Step-by-step explanation:

10,11,12,13,14,20,21,22,23,24,30,31,32,33,34,40,41,42,43,44

1) Prime number

11,13,23,29,31,37,41,43

P=

20

8

2)MULTIPLE of 4

12,16,20,24,28,32,36,40,44

P=

20

9

3)Multiple of 11

11,22,33,44

P=

20

4



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