Question

the number 0 to 99 are written on a of cards. A card is selected. The probability that the selected card has at least one 9​

Answer 1

Answer:

9/50 or 0.18 or 18%

Step-by-step explanation:

Total no of cards= 100(99+the 0 card)

cards with atleast one9= 9,19,29,39,49,59,69,79,89,90,91,92,93,94,95,96,97,98

no of cards with 9 =18

p(atleast one 9)= 18/100 = 9/50