In a certain region of the country it is known from
pastexperience that theprobability of selecting an adult over 40
yearsof age with cancer is 0.05. if the probability of a
doctorcorrectly diagnosing a person with cancer as having the
disease is0.78 and the probability of incorrectly diagnosing a
person withoutcancer as having the disease is .06, what is the
probability that aperson is diagnosed as having cancer?

There is a 9.6% probability that a person is diagnosed as having cancer.

Step-by-step explanation:

In this problem, we have these following probabilities:

A 5% probability that an adult over 40 has cancer.

This also means that:

There is a 95% probability that an adult over 40 does not have cancer. (Since either the adult has cancer or does not have cancer, and the sum of the probabilities is 100%).

A 78% probability of a person that has cancer being diagnosed,

A 6% probability of a person that does not have cancer being diagnosed.

What is the probability that a person is diagnosed as having cancer?

is the probability of those who have cancer being diagnosed. So it is 78% of 5%. So

is the probability of those who do not have cancer being diagnosed. So it is 6% of 95%. So

So

There is a 9.6% probability that a person is diagnosed as having cancer.

b

step-by-step explanation:

it have 5 sides and 5 identicle angle.the rest does not have the same property as b.

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