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the mean clotting of blood is 7.45 seconds with a standard deviation of 3.6 seconds. what...

the mean clotting of blood is 7.45 seconds with a standard deviation of 3.6 seconds. what is the probability that an individuals clotting time will be less that 6 seconds or greater than 12 seconds? assume a normal distribution. round to the newrest thousandth.
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