Exam 9: Sequences Series and Probability

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Write the first six terms of the sequence beginning with the given term.Then calculate the first and second differences of the sequence.State whether the sequence has a linear model, a quadratic model, or neither. A1 = 1 An = an - 1 + 2n

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Calculate the binomial coefficient: (116)\left( \begin{array} { c } 11 \\6\end{array} \right)

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Determine whether the sequence is arithmetic.If so, find the common difference. ​ 32, 42, 52, 62, 72, ... ​

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Find a formula for an for the arithmetic sequence. A1 = 0, d = - 67\frac { 6 } { 7 }

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Select the first five terms of the sequence defined recursively. a1=54,ak+1=ak2a _ { 1 } = 54 , a _ { k + 1 } = a _ { k } - 2

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Find the probability for the experiment of tossing a six-sided die twice such that the sum is either 7 or 11.

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Use the binomial theorem to expand the binomial. (zy)4( z - y ) ^ { 4 }

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Calculate the binomial coefficient. 7C47 C _ { 4 }

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Write an expression for the apparent nth term of the sequence.(Assume that n begins with 1.) 2,6,10,14,18,2,6,10,14,18 , \ldots

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Write the first four terms of the geometric sequence with the given properties. a = 3, r = 2 Please enter your answer as four numbers in order, separated by commas.

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Write the first five terms of the sequence defined recursively.Use the pattern to write the nth term of the sequence as a function of n.(Assume that n begins with 1.) a1=19,ak+1=ak5a _ { 1 } = 19 , a _ { k + 1 } = a _ { k } - 5

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Find the indicated partial sum of the series. i=14(12)i\sum _ { i = 1 } ^ { \infty } 4 \left( - \frac { 1 } { 2 } \right) ^ { i } fourth partial sum

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Use the Binomial Theorem to expand and simplify the expression. (r+2)5( r + 2 ) ^ { 5 }

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Select the first five terms of the sequence.(Assume that n begins with 1.) an=n(n2)(n3)a _ { n } = n ( n - 2 ) ( n - 3 )

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Write an expression for the apparent nth term of the sequence.(Assume that n begins with 1.) 2, 7, 12, 17, 22

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Write the first five terms of the arithmetic sequence defined recursively. ​ A1 = 0.275, an + 1 = an + 0.25 ​ ​

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The figure shows the results of a survey in which auto racing fans listed their favorite type of racing.What is the probability that an auto racing fan selected at random does not list NHRA drag racing as his or her favorite type of racing ( a=55%a = 55 \% , b=15%b = 15 \% , c=13%c = 13 \% , d=6%d = 6 \% )  The figure shows the results of a survey in which auto racing fans listed their favorite type of racing.What is the probability that an auto racing fan selected at random does not list NHRA drag racing as his or her favorite type of racing  (  a = 55 \%  ,  b = 15 \%  ,  c = 13 \%  ,  d = 6 \%  )

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Find pk + 1 for the given pk. pk=5(k+6)(k+5)p _ { k } = \frac { 5 } { ( k + 6 ) ( k + 5 ) }

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Find Pk+1 for the given Pk. Pk=2k(k+1)P _ { k } = \frac { 2 } { k ( k + 1 ) }

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Find the sum. i=1450\sum _ { i = 1 } ^ { 4 } 50

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