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OLga [1]
3 years ago
15

The sample space is orange, purple, and white. If P(Orange )=2/5 and P(purple) = 3/10 what is P=(white)

Mathematics
2 answers:
DiKsa [7]3 years ago
5 0

Answer:

\frac{3}{10}

Step-by-step explanation:

Probability refers to chance of occurrence of an event .

Formula of probability :

Probability = No. of favourable outcomes / Total no. of outcomes

Let E_1\,,\,E_2\,,\,E_3\,,... be the events and S denotes the sample space .

Properties of Probability :

1 . \sum_{i=1}^{n}P(E_i)=1

2. 0\leq P(E_i)\leq 1

Given :

P(Orange) = 2/5

P(purple) = 3/10

We know that  P(Orange ) + P(purple)  + P(white) = 1

So,

\frac{2}{5}+\frac{3}{10} + P(white) = 1

On transposing 2/5 and 3/10 on RHS , we get

P(white)  = 1-\frac{2}{5}-\frac{3}{10}=\frac{10-4-3}{10}=\frac{3}{10}

padilas [110]3 years ago
3 0
White would be 3/10. Since orange is 2/5, it can also be written as 4/10 since 4/10 simplified would be 2/5. Also since you know purple is 3/10, so you must add what you know to get what you don't know. Orange 4/10 plus purple 3/10 would be 7/10. You would then subtract what the whole thing is worth which is 10/10. 10/10 minus 7/10 would be 3/10 which is the remainder of what is left which is white.
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