Alice has 2 number cubes, labeled 1 to 6. If she rolls both number cubes what is the probability that she will get a sum of 11?
1 answer:
Using the probability concept, it is found that there is a 0.0556 = 5.56% probability that she will get a sum of 11.
<h3>What is a probability?</h3>A probability is given by the <u>number of desired outcomes divided by the number of total outcomes</u>.
In this problem:
- Two cubes, each with 6 outcomes are rolled, hence there is a total of 6² = 36 outcomes.
- Of those, in two of them, which are (5,6) and (6,5), a sum of 11 is obtained.
Then:
0.0556 = 5.56% probability that she will get a sum of 11.
You can learn more about the probability concept at brainly.com/question/15536019
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Answer:
The number of baseball card to begin with is 143
Step-by-step explanation:
Let The number of baseball cards = x
The number of sold baseball card = 60% of x
= 0.6 x
The number of left baseball card = x - 0.6 x = 0.4 x
The number of card gave away = 30 % of left cards
= 0.3 × 0.4 x = 0.12 x
The number of card left in his possession = 40
So, 0.6 x + 0.12 x + 40 = x
Or, 40 = x - 0.6 x - 0.12 x
Or, 40 = 0.28 x
∴ x = = 142.85 ≈ 143
Hence The number of baseball card to begin with is 143 Answer