A number is selected from the numbers 1,2,3,4.......25.The probability for it to be divisible by 4 or 7 is:
Total numbers = 25
Numbers divisible by 4 or 7 are 4, 7, 8, 12, 14, 16, 20, 21, 24 = 9
The probability (divisible by 4 or 7) = 9/25
Find the range and mode of the data 17, 18, 28, 19, 16, 18, 17, 29, 18
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