Asked by maczindahouse
                A set of normally distribution data had mean of 3.2 and a standard deviation of 7.0. Find the probability of randomly selecting 30 values and getting a mean greater than 3.6.
a. 0.9991
b. 0.7157
c. 0.2843
d. 0.0009
            
        a. 0.9991
b. 0.7157
c. 0.2843
d. 0.0009
Answers
                    Answered by
            oobleck
            
    3.6 is 0.057σ
now it's similar to your other problem.
    
now it's similar to your other problem.
                    Answered by
            maczindahouse
            
    I'm confused. What do you mean?
    
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