Maricopa’s Success scholarship fund recieves a gift of $130000. The money is invested in stocks, bonds, and CDs. CDs pay 4% interest, bonds pay 3.5% interest, and stocks pay 7% interest. Maricopa Success invests $30000 more in bonds than in CDs. If the annual income from the investments is $ 7400, how much was invested in each account? Stocks? Bonds ? and CDs ?

Find a third-degree polynomial equation with rational coefficients that has roots -2 and 6+i

How many and of which kind of roots does the equation f(x)=2x^4−9x^3+17x^2−16x+6 have?

Abottled water distributor wants to estimate the amount of water contained in 1-gallon bottles purchased from a nationally known water bottling company. the water bottling company’s specifications state that the standard deviation of the amount of water is equal to 0.02 gallon. a random sample of 50 bottles is selected, and the sample mean amount of water per 1-gallon bottle is 0.995 gallon a. construct a 99% confidence interval estimate for the popula-tion mean amount of water included in a 1-gallon bottle. b. on the basis of these results, do you think that the distributor has a right to complain to the water bottling company? why? c. must you assume that the population amount of water per bottle is normally distributed here? explain. d. construct a 95% confidence interval estimate. how does this change your answer to (b)?