Leslie is a biologist. She is going to randomly select one animal from her lab to study. There are 5 salamanders, 3 crayfish, an
2 answers:
This question is incomplete, However, it can be found in search engines and here is complete question :
Leslie is a biologist. She is going to randomly select one animal from her lab to study. There are 5 salamanders, 3 crayfish, and 12 minnows in her lab. What is P{salamanders}.
Answer:
0.25 or 25%
Step-by-step explanation:
Since there are number of salamanders = 5
number of crayfish = 3
number of minnows = 12
total number of animals n = 5 + 3 + 12 = 20
She wants to randomly select an animal and check if it is Salamander or not.
=
=
= 0.25 or 25%
You might be interested in
Given:
u varies directly with the square of p and inversely with d.
To find:
The equation for the given situation.
Solution:
If y is directly proportional to x, then
If y is inversely proportional to x, then
It is given that u varies directly with the square of p and inversely with d. So,
It can be written as:
Where, k is the constant of proportionality.
Therefore, the required equation is .