Determine the percentage of adults
Suppose that adults have IQ scores that are normally distributed with mean of 105 and standard deviation of 15. Determine the percentage of adults that have an IQ exceeding 116. Round your answer to the nearest integer.
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Painkiller is the medicine that suppresses pains, like headache. Two types of new painkillers, say A and B are going to be in market. Both painkillers have very little side effects, if taken according to recommended daily dosage.
The manufacturer discovers that revenue generated by selling x units of the certain commodity is provided by function R(x)=80x-0.4x2.
Four laboratories are being employed to perform chemical analysis. Samples of same material are sent to the laboratories for analysis as part of study to find out whether or not they give, on average, the same results. Suppose the distributions of
Determine average rate of change of function y = f(x) between x = 1 and x = 2. Write the difference quotient which can be used to find slope of tangent to f(x) at x = 1.
Assume the correlation, r, between two variables x and y is -0.44. What percentage of the variability in y cannot be explained by x?
At last walks for 90 minutes. Determine rule of function which expresses the distance traveled as the function of time.
The 13 foot long pole leans against the wall. Bottom is 5 feet from wall. How much farther must bottom be pulled away from wall so that same amount down wall?
If 47 batteries were sold in a month, what was the profit?
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