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Alinara [238K]
2 years ago
9

What are the 1st 5 terms in this sequance? t_n=2t_(n-1)+t_(n-2) where t1=3, t2=4, and n is a natural number greater than or equa

l to 3.
Mathematics
1 answer:
Zepler [3.9K]2 years ago
3 0
The first two terms are given, t_1=3 and t_2=4.

The third term, according to the formula, is

t_3=2\times4+3=11

and the next two terms are

t_4=2\times11+4=26
t_5=2\times26+11=63
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Step-by-step explanation:

"A seed randomly blows around a complex habitat. It may land on any of three different soil types: a high-quality soil that gives a 0.8 chance of seed survival, a medium-quality soil that gives a 0.3 chance of survival, and a low-quality soil that gives only a 0.1 chance of survival. These three soil types (high, medium, and low) are present in the habitat in proportions of 30:20:50, respectively. The probability that a seed lands on a particular soil type is proportional to the frequency of that type in the habitat. a. Draw a probability tree to determine the probabilities of survival under all possible circumstances. b. What is the probability of survival of the seed, assuming that it lands"c. Assume that the seed has a 0.2 chance of dying before it lands in a habitat. What is its overall probability of survival?

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c. Assume that the seed has a 0.2 chance of dying before it lands in a habitat. What is its  overall probability of survival?

Pr[survival] = Pr[survival|lands] * Pr[lands] = 0.35 * 0.2 = 0.07

Download docx
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