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It has been determined that 27.5% of drivers checked at a road stop, on new year's eve, show traces of alcohol in their blood. If 24 people are...
It has been determined that 27.5% of drivers checked at a road stop, on new year's eve, show traces of alcohol in their blood. If 24 people are pulled over, determine the following:
a.The expected number of people who have trace amounts of alcohol in their blood.
b.The variance of this experiment
c.The standard deviation of this experiment.
d.The probability that 7 people have trace amounts of alcohol in their blood
e.The probability that at most 8 people have trace amounts of alcohol in their blood
f.The probability that at least 4 people have trace amounts of alcohol in their blood