(b) we often read that iq scores for large populations are centered at 100. what percent of these 78 students have scores above 100? (round your answer to one decimal place.)
1 answer:
Given that the<span> iq scores for large populations are centered at 100. To get what percent of these 78 students have scores above 100 we conduct a normal distribution probability of the data. P(x > 100) = P(z > (100 - 100)/sd) = P(z > 0) = 1 - P(z < 0) = 1 - 0.5 = 0.5 = 50% </span>
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