# Question: 1it has been shown that the probability of being lefthanded...

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1.It has been shown that the probability of being left-handed is 0.25. In a class of 30 students, what is the probability of finding at least 1 student who is left-handed?

2.The cholesterol content of large chicken eggs is normal distributed with a mean of 200 mg and a standard deviation of 15 mg. What is the proportion of eggs with cholesterol content above 205 mg?