Exam 9: Natural Number Functions and Probability

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To fund Jamie's lottery winnings of $19,000 per month for the next 8 years, the lottery commission needs to make a single deposit now.Assuming 9.5% compounded monthly, what should the deposit be? Round to the nearest cent.

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Select the right expression for the following sum and prove that your statement is true for all natural numbers n. Pn:3+6+93nP _ { n } : 3 + 6 + 9 \ldots 3 n

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Find the r th term in the binomial expansion. (c+y)n( c + y ) ^ { n }

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Assume that $450 is deposited at the end of each year in an account in which interest is compounded annually at a rate of 8%.Find the accumulated amount after 8 years.Round to the nearest cent.

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To pay for college, a student borrows $4,600 interest-free from his father.If he pays his father back at the rate of $350 per month, how much will he still owe after 10 months?

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The probability of rain today is 0.3.If it rains, the probability that Bill will forget his raincoat is 0.5. Find the probability that Bill will get wet.

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A Super Ball rebounds to approximately 95% of the height from which it is dropped.If the ball is dropped from a height of 20 meters, how high will it rebound after the 10th bounce?

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How many lines are determined by 7 points if no 3 points lie on a straight line?

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Evaluate the expression. (8180)\left( \begin{array} { l } 81 \\80\end{array} \right)

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The number of students studying algebra at State College is 511.The Department Chair expects enrollment to increase 11% each year.How many professors will be needed in 8 years to teach algebra If one professor can handle 50 students?

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Find the r th term in the binomial expansion. (z+y)n( z + y ) ^ { n }

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Find the value of $1,000 left on deposit for 13 years at an annual rate of 7%, compounded quarterly.

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Find the amount of each regular payment to provide $5,000 in 5 years, at an annual rate r = 4%, compounded quarterly.

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Select the right expression for the following sum and prove your statement is true for all natural numbers nn , where rr is a real number, r1r \neq 1 . Sn:1+r+r2++rnS _ { n } : 1 + r + r ^ { 2 } + \ldots + r ^ { n }

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Find the 5th term in the binomial expansion. (ct)n( c - t ) ^ { n }

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Verify whether 1+2+3++n=n2(n+1)1 + 2 + 3 + \ldots + n = \frac { n } { 2 } ( n + 1 ) is true for n=7n = 7

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The 12th term of an arithmetic sequence is 76, and the first term is -1.Find the common difference.

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Find the periodic payment required to repay $1,940 repaid in 15 monthly installments, at an annual rate of 13%.Round to the nearest cent.

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A man estimates that the computer he plans to buy in 17 months will cost $3,100.To meet this goal, how much should he deposit in an account paying 12.6%, compounded monthly?

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Find the sum of the first five terms of the sequence with the following general term. 2k02 k ^ { 0 }

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