When randomly selecting an adult, let B represent the event of

randomly selecting someone with type B blood. Write a sentence describing what the rule of

complements is telljng us: P (B or

¯

B

) = l.

Question

Mathematics

Clarence Johnston

Today, 15:09

When randomly selecting an adult, let B represent the event of

randomly selecting someone with type B blood. Write a sentence describing what the rule of

complements is telljng us: P (B or

¯

B

) = l.

+4

Answers (1)

Know the Answer?

Denise West · Answer 1

P (B or B') = 1 means that an adult is certain to have a blood type B or an adult doesn't have a blood type B.

Step-by-step explanation:

Given the information from the question. Let B = the event of randomly selecting an adult with a blood type B.

Know the complement rule in probability theory. The B' (B complement) is the event that an adult doesn't have a blood type B.

To answer the question. P (B or B') = 1 means that an adult is certain to have a blood type B or an adult doesn't have a blood type B.

When randomly selecting an adult, let B represent the event ofrandomly selecting someone with type B blood. Write a sentence describing what the rule ofcomplements is telljng us: P (B or¯B) = l.

When randomly selecting an adult, let B represent the event of

randomly selecting someone with type B blood. Write a sentence describing what the rule of

complements is telljng us: P (B or

¯

B

) = l.