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Find number of ways are there to put three white rooks and five black rooks on chessboard, so none can attack each other?
If probability of it being sunny tomorrow is .8, and Robin hood has ten arrows in the quiver, determine probability he will have successful practice.
The bank charges 10% simple interest on the $300 loan. How much will have to be repaid if loan is paid back in the lump sum at end of three years?
Random sample of 20 values was selected from the population, and sample deviation was calculated to be 360. Based on the sample result estimate the 98% confidence interval evaluate for true populati
Determine the amount of the annuity if size of each payment is $250, payable at the end of quarter for 5 years at the interest rate of 16% compounded quarterly?
The simple random sample of 40 items resulted in the sample mean of 25. Population standard deviation is 5. Determine standard error of mean (to 2 decimals)?
The following distribution was gathered over the 1000 days for number of complaints for the local restaurant. Determine expected number of complaints for the restaurant.
Population standard deviation is 3.1 movies. Based on the .05 level of significance, can you conclude that sample is different from national average?
You make decision to take out the simple interest loan for $5000, at 7% yearly interest on date that unit 4 starts for you.
Now, Ima would like to know what annual amount he has to invest in aforementioned ERS's choice for next ten years, so that he can begin withdrawing $6000 a year at the end of each of the retirement
The area of the circle is the function of its radius, A = pi r^2. Draw two circles, one with radius r and second with radius r + delta r, where delta r is reasonably small. State delta A and dA sym
Find probability that voltage regulator fails during the ownership? If the regulator fails after you own automobile 3 years and it is replaced, find mean time until next failure?
Determine the expression for amount of material remaining at any time t. Amount of material after four hours. Time at which material has decayed to one half of original amount.
An RL circuit has the given (in volts) by 3 sin 2t, the resistance of 10 ohms, the inductance of 0.5 henry and the initial current of 6 amperes. Determine current in circuit at any time t.
If after ten minutes temperature of body is 0C and after 20 minutes temperature of body is 15C, determine unknown initial temperature.
What constant interest rate is needed if the initial deposit placed into the account which accrues interest compounded continuously is to double its value in 6 years?
Suppose company will remain the "going concern" indefinitely and that interest rate will remain constant at 6%, at what constant rate owner believes profits will grow?
From graph of C, evaluate Schwimmer's cost for thirty months of service. If Schwimmer's total cost for cable television is $975, evaluate number of months of service.
Rather than linear relationship, you might select to model upward force on parachutist as the second order relationship.
Prove that for any 3 non-collinear points P, Q, T, there is one circle which passes through all 3 points. Use perpendicular segment bisectors.
Let x be the order set. if y is proper subset of x which is convex in x. Dose it follow that y is interval or the ray in x? Describe?
The company has the quote for possible job which is normally distributed with the mean = 3.6 days and standard deviation = 1.2 days. Find probability that of the response for the bid is within two d
If number of request per day follows the Poisson distribution with mean 3. Determine expected value of number sold?
Determine adjusting entry to be made on December 31 for interest expense accrued to that date, if no entries made previously for interest?
State the mapping F: L(R^2) into L(R^2) and F(X) = X^2. Calculate Jacobi Matrix of F at A, 2x2 matrix with entries (a, b, c, d).