A certain blood test accurately indicates the presence of a disease 87% of the time when the disease is actually present. The test indicates the presence of the disease 0.4% of the time when the disease is not present. If 2% of the population has the disease, what percentage of the total population will receive a false positive

0.392% of the total population will receive a false positive

Step-by-step explanation:

We have that:

2% of the population has the disease.

So 100-2 = 98% of the population does not have the disease.

For 0.4% of the people who do not have the disease, the test is positive.

What percentage of the total population will receive a false positive

0.4% of 98%. So

0.004*0.98 = 0.00392

0.392% of the total population will receive a false positive

the population of other specie of birds will decline or other specie of birds will find some alternate source of food to survive.

explanation:

according to the competitive exclusion principle, which is also known as gause's law, two specie living in the same niche and feeding on the same resource cannot co-exist stably.

as we have well studied the theory of natural selection which states that only those organisms survive which have better tendency to compete for food and adapt to the environmental conditions.

coming towards the question, what wi ll happen when one species outcompetes the other for the small fish , the other specie will not get enough food and will start to die or decline in population. eventually either other specie needs to find another alternative food source for itself or migrate at some other location where there is less competition otherwise it will just not exist anymore at that niche.

hope it !

step-by-step explanation:

points a and b are equidistant from the desired line, so the line you find by using them will go through point r.

using points other than a and b will give the desired line only if they are equidistant from r. if they are randomly located, the perpendicular line you create will not necessarily go through point r, hence will not be a solution to the problem.