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View Full Version : about 34% of the u.s. people have blood type A+,you are conducting a random survey of

lynnlo
Apr 17, 2012, 12:36 PM
34% of the people in the u.s. have A+blood type if you did a survey of 250 people what would be the mean and the standard deviation
lynnlo
Apr 17, 2012, 12:38 PM
if 34% of the people in the u.s. BLOOD TYPE IS A+,and you did a random survey of 250 people what is the mean and standard deviation