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What does an odds ratio of 0.5 mean?
It means there is a chance of being right 2 times out of three. 2:1 odds means 1 chance of 3 to be right; 1:1 odds means an even chance; 1:2 (0.5)odds is 2 of 3; 1:9 is 9 chances of being right out of 10 etc.
How do you get 13 while using 3 in five times?
3*3 + 3 + 3/3 = 9 + 3 + 1 = 133*3 + 3 + 3/3 = 9 + 3 + 1 = 133*3 + 3 + 3/3 = 9 + 3 + 1 = 133*3 + 3 + 3/3 = 9 + 3 + 1 = 13
What are the factors of 15 and 9?
The integers that divide into them evenly (without remainder). ================================ Another contributor was impressed: Wonderful! Factors of 15 are 1, 3, 5, 15. Factors of 9 are 1, 3, and 9.
What is the sum of 2 over 9 plus 1 over 3?
2/9 + 1/3 = 2/9 + 3/9 - Note the equivalence of the fraction 1/3 & 3/9 Add the numerators 5/9 The Answer . 5/9 = 0.555.... ( recurring to infinity as a decimal).
9 times 4 thirds?
9 is written 9/1 9/1 x 4/3 9 x 4 = 36 1 x 3 = 3 36/3 reduced is 12/1 = 12
