Not Mutually Exclusive Events

All the following events are not mutually exclusive events EXCEPT:

• Drawing an ace or a king in a standard deck of cards

• Drawing a queen or a club in a standard deck of cards

• Getting a 6 or an even number in rolling a six-sided die

• Getting a prime number or an even number in rolling a six-sided die

The probability of A or B equals the probability of A ___ the probability of B
____ the probability of A and B.

• plus, plus

• minus, minus

• plus, minus

• minus, plus

Determine if each pair of events are not mutually exclusive: electing ‘the president’ and ‘the secretary’ of the class

• Yes

• No

• Maybe

• None

Determine if each pair of events are not mutually exclusive: working in Davao’ and ‘you are an Ilokano

• Yes

• No

• Maybe

• None

Is this formula is correct for Not Mutually Exclusive Events

• P(A or B) = P (A) - P(B) - P (A and B)

• P(A or B) = P (A) + P(B) - P (A and B)

• P(A or B) = P (A) + P(B) -+ P (A and B)

• P(A or B) = P (A) - P(B) + P (A and B)

Other term for Not Mutually Exclusive Events

A die is rolled once. What is the probability of an even number or a factor of 6 turning up?

If there is 30% chance of rain on Saturday, 70% chance of rain on Sunday, and 21% chance of rain on Saturday and Sunday, what is the probability that it will rain on either Saturday or Sunday?

By answering Y for yes and N for No
Determine if each pair of events are not mutually exclusive: getting ‘a prime number’ and ‘a multiple of 2’ in rolling a fair die once

By answering Y for yes and N for No
Determine if each pair of events are not mutually exclusive: drawing ‘a 7’ and ‘a 4’ from a standard deck of cards