Saturday

August 30, 2014

August 30, 2014

Posted by **Chrissy** on Sunday, December 30, 2012 at 7:50pm.

P(B)=0.25

The probability of both events occurring is 0.15. What is the probability of either event occurring?

A. 0.15

B. 0.50

C. 0.65

D. 0.80

Is it D?

- Help Math -
**TutorCat**, Sunday, December 30, 2012 at 9:06pmincorrect.

Law of addition:

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

source:

http://www.quickmba.com/stats/probability/

- Help Math -
**Chrissy**, Sunday, December 30, 2012 at 11:46pmI got b now thank you

**Related Questions**

statistics - conditional probability - Event A has probability 0.9 of occurring...

statistics - conditional probability - Event A has probability 0.9 of occurring...

Help Math - Events A and B are mutually exclusive. The probability of event A ...

math - In a game, a player tosses a coin 4 times. If the player gets 3 or 4 ...

Statistics - Events and are mutually exclusive. Suppose event occurs with ...

Probability - You have a sample space of 2 events called A and B. From your ...

biology - One rule of probability can be expressed as the following: The ...

biology - One rule of probability can be expressed as the following: The ...

math - the probability of an event is 7/10. Find the odds in favor of this event...

Math - If the odds in favor of an event A are 3 to 1, what is the probability ...