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3 years ago

13

,Suppose that 80\%, percent of trees in a forest of 300 trees are infected with a virus, and we take an SRS of 5 trees to test f

or the virus. What is the probability that exactly 2of the 5 trees have the virus?

1 answer:

Llana [10]3 years ago

5 0

Answer: .0512

Step-by-step explanation:

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Help please due now!

MissTica

Answer:

8

Step-by-step explanation:

3(2)-2(1-2) / 3-2

6-2(-1) / 1

6 + 2 / 1

8 / 1

= 8

6 0

2 years ago

Kelvin can carry a basket 5 feet rachel can carry it 3 feet further than kelvin daniel can carry it half as far s rachel is it r

Ksenya-84 [330]

I think it eould be 17 feet. 5 plus 8 plus 4 is 17.

6 0

3 years ago

a cone has a volume of 1230.88 units cubed and a diameter of 14 units what is the height of the cone use 3.14 for pi

ANEK [815]

Answer:

h= 24

Step-by-step explanation:

$v = \pi {r}^{2} \frac{h}{3}$

$r = \frac{d}{2}$

$r = \frac{14}{2}$

r= 7

1230.88=3.14×7^2×h/3

1230.88= 153.86h/3

h=1230.88/153.86

h= 24

7 0

2 years ago

How do you find the neutron of an atom?

EleoNora [17]

Neutrons are in the nucleus with the protons.
If you need more help text me :) hope it helps

3 0

2 years ago

The value of 2 in 204.75 is how many times the value of 2 in 103.52

Sloan [31]

It would be 10000 times

4 0

3 years ago

Read 2 more answers