Find number of units must be produced for maximum revenue
The manufacturer discovers that revenue generated by selling x units of the certain commodity is provided by function R(x)=80x-0.4x2, where R(x) is estimated in dollars. Find maximum revenue, and how many units must be produced to get this maximum?
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A set of data items is normally distributed with the mean of 400 and standard deviation of 60. Determine the data item in this distribution that corresponds to following z-score:
Four corner posts are 30 (dollars) each, consider x be length of sides perpendicular to river. Find length of side perpendicular to river in feet?
The fishery stocks the pond with 5000 young trout. Number of trout t years later is P(t)=5000e^-0.4t. Determine average change in population in first month.
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.
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.
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?
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