2 years ago

Geometry help please explain answer

Mathematics

1 answer:

valentinak56 [21]2 years ago

6 0

Answer:

Value of X?

Step-by-step explanation:

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3 years ago

Read 2 more answers

Seed are often treated with fungicides to protect them in poor draining, wet environments. A small-scale trial, involving five t

Natalija [7]

Answer:

2.38%

Step-by-step explanation:

Given that:

The population size involving numbers of treated and untreated seeds N = 10

the number of seeds that are treated which are observed = 5

the number of seeds that sprouted 'n' = 4

Now, use the method of hypergeometric probability, we have the formula:

$p(y) = \dfrac{(^r_y)(^{N-r}_{n-y})}{(^N_n)}$

∴

$p(4) = \dfrac{(^5_4)(^{5}_{0})}{(^{10}_4)}$

$p(4) = \dfrac{\dfrac{5!}{4!(5-4)!}* \dfrac{5!}{0!(5-0)!} }{\dfrac{10!}{4!(10-4)!} }$

$p(4) = \dfrac{\dfrac{5!}{4!}* \dfrac{5!}{(5)!} }{\dfrac{10!}{4!(6)!} }$

$p(4) = \dfrac{5*1 }{210}$

p(4) = 0.0238

p(4) = 2.38%

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3 years ago