Question

Numbers 2 to 90 are written on separate slips (one number on one slip), keep box and mixed well. One slip is chosen from the box without looking into it. Th probability of getting a two-digit number ​

Answer 1

Step-by-step explanation:

$82 \div 90$

82/90

Answer 2

Answer:

=81/89

Step-by-step explanation:

total numbers = 89

total two digit numbers = 81

probability = ( number of favourable outcomes / number of total outcomes )

probability of getting a two-digit number

= 81/89