Let T be a linear transformation that maps Rn onto Rn. Show that T-1 exists and maps Rn onto Rn. Is T-1 also one-to-one? If so, prove it. If not, prove that instead.
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If this branch of the military changes the height requirements so that all women are eligible except the shortest 1 percent and the tallest 2 percent, what are the new height requirements?
A flag is to consist of 6 vertical stripes in yellow, green, blue, orange, brown, and red. It is not necessary to use all of the colors. The same color may be used more than once. How many possible flags are there with no two adjacent stripes of t
Use the analysis of variance with _ _ 0.05 to determine whether there is a difference among these three brands of batteries. Suppose you are asked to make a recommendation regarding the batteries based on useful life. Use the
Find an equation of the tangent plane and find symmetric equations of the normal line to the surface z=xy at the point (-2,-3,6).
Math help, Two companies, A and B, drill wells in a rural area. Company A charges a flat fee of $3500 to drill a well regardless of its depth. Company B charges $1000 plus $12 per foot to drill a well
In a very large population, the distribution of annual income is skewed, with a long right tail. We take a simple random sample of n people from this population and record the n incomes. We expect a histogram of the n incomes in the sample
Compute descriptive statistics for this variable including a box and whisker plot. Comment on the results.
Players bet a dollar on a number. If the number does not come up, the dollar is lost. If the number comes up one or more times, the player wins as many dollars as there are occurrences of the number.Compute the probability that
Suppose you pay $2.00 for a raffle ticket for local organization raising money. The single winner recieves a $75 Home Depot Gift Card. A total of 200 raffle tickets are sold. What is your expected value? With this problem please show your work if u
A physiological experiment was conducted to study the effect of various factors on pulse rate. For one factor, there were 92 subjects, the mean pulse rate of which was 72.87, and the sample standard deviation was 11.01. Consider the following hypo
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