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stepladder [879]
3 years ago
6

Please help I don’t understand this

Mathematics
2 answers:
Aliun [14]3 years ago
5 0

Answer:

{8}^{3n}  =  {8}^{6}  \\ 3n = 6 \\ n = 2

My name is Ann [436]3 years ago
4 0

Answer:

n = 2

Step-by-step explanation:

( {8}^{n} )^{3}  =  {8}^{6}

{8}^{n \times 3}  =  {8}^{6}

n  \times 3 = 6

n =  \frac{6}{3}

n = 2

<h3>Hope it is helpful....</h3>
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Consider the following binomial experiment. The probability that a green jelly bean is chosen at random from a large package of
Flura [38]

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Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinatios of x objects from a set of n elements, given by the following formula.

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And p is the probability of X happening.

In this problem we have that:

There are 13 jelly beans, so n = 13.

The probability that a green jelly bean is chosen at random from a large package of jelly beans is 2/5. This means that p = 0.4.

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This is

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P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

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P(X = 1) = C_{13,1}.(0.4)^{1}.(0.6)^{12} = 0.0113

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P(X \leq 2) = P(X = 0) + P(X = 1) + P(X = 2) = 0.0013 + 0.0113 + 0.0453 = 0.0579.

There is a 5.79% probability that at most 2 jelly beans are chosen.

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