Probability 17013

What is the probability that a randomly written two-digit number from number 20 to number 99 will be divisible by 11, the power of number 3, or a prime number?

Correct answer:

p =  0.3375

Step-by-step explanation:

 x1 = 22 ; 1122  x2 = 23 ; P  x3 = 27 ; 33=27  x4 = 29 ; P  x5 = 31 ; P  x6 = 33 ; 1133  x7 = 37 ; P  x8 = 41 ; P  x9 = 43 ; P  x10 = 44 ; 1144  x11 = 47 ; P  x12 = 53 ; P  x13 = 55 ; 1155  x14 = 59 ; P  x15 = 61 ; P  x16 = 64 ; 43=64  x17 = 66 ; 1166  x18 = 67 ; P  x19 = 71 ; P  x20 = 73 ; P  x21 = 77 ; 1177  x22 = 79 ; P  x23 = 83 ; P  x24 = 88 ; 1188  x25 = 89 ; P  x26 = 97 ; P  x27 = 99 ; 1199  p=8027=0.3375



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