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12345 [234]
3 years ago
12

Given the sequence 1, 9, 25, 49, 81, ..., find the explicit formula. A. an=(2n−1)2an=(2n−1)2 B. an=n2−1an=n2−1 C. an=−4n+2an=−4n

+2 D. an=−2n+2
Mathematics
1 answer:
IrinaK [193]3 years ago
7 0
F(n) = {f(1) = 1
         {f(n) = (2n - 1)
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60%

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The object of a popular carnival game is to roll a ball up an incline into regions with different
ELEN [110]

The expected value is the mean of the overall observed value or random value. In other words, it is the average of the observed values.

The expected value, E(x) of the given observation is 185

The given parameters can be represented as:

\begin{array}{cccc}x & {100} & {200} & {300} \ \\ P(x) & {40\%} & {35\%} & {25\%} \ \end{array}

The following formula calculates the expected value:

E(x) =\sum x * P(x)

So, we have:

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E(x) = 40 + 70 + 75

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Read more at:

brainly.com/question/16726343

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