heynow111
18.03.2020 •
Mathematics
Assume that adults have IQ scores that are normally distributed with a mean of 100.3 and a standard deviation of 17.6 . Find the probability that a randomly selected adult has an IQ greater than 132.7. ( Round to four decimals please )
Assume that adults have IQ scores that are normally distributed with a mean of 101.8 and a standard deviation of 15.7. Find the first Q1 , which is separating the bottom 25%from the top 75%. ( type an integer or decimal rounded to one decimal place as needed )
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Ответ:
The 2 in 12.5 is in the ten's place and the 2 in .912 is in the thousandths place.