Factor the expression. x squared-25
1 answer:
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First, divide 4960 by 3 and assign the answer to all three containers. Then, subtract 4 from L and add 4 to J.
Answer:
B) 47.5%
Step-by-step explanation:
Refer to the normal distribution chart attached. If 130 is 2 standard deviations higher than the mean (ignore the numbers beneath the percentages), then by the empirical rule, this means that 34%+13.5%=47.5% of adults are between IQs of 100 and 130. Therefore, option B is correct.
