Math Is Fun Forum
Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °
You are not logged in.
- Topics: Active | Unanswered
Pages: 1
#1 2024-05-15 08:59:01
- mathxyz
- Member
- From: Brooklyn, NY
- Registered: 2024-02-24
- Posts: 1,053
Probability Not A Heart
If you pick a random card from a deck of playing cards, what is the probability it is not a heart?
Let me see.
There are 13 hearts in a deck cards.
H = probability of selecting a heart.
P(H) = 13/52 = 1/4.
I think if we subtract P(H) from 1 it will show the probability of not selecting a card.
So, 1 - 1/4 = (4/4) - (1/4) = 3/4.
I say 3/4 is the answer.
You say?
Offline
#2 2024-05-15 19:46:50
- Bob
- Administrator
- Registered: 2010-06-20
- Posts: 10,627
Re: Probability Not A Heart
Correct.
B
Children are not defined by school ...........The Fonz
You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei
Sometimes I deliberately make mistakes, just to test you! …………….Bob 
Offline
#3 2024-05-16 01:39:10
- mathxyz
- Member
- From: Brooklyn, NY
- Registered: 2024-02-24
- Posts: 1,053
Re: Probability Not A Heart
Bob wrote:
Correct.
B
I like the words correct and right. Such positive words in many ways.
Offline
Pages: 1