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Maurinko [17]
3 years ago
7

Help me on my math pwease

Mathematics
1 answer:
julsineya [31]3 years ago
8 0

Answer:

Part a: C

Part b: 2x34

d=68

Step-by-step explanation:

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3 years ago
A used car dealer has 30 cars and 10 of them are lemons (i.e.~ mechanically faulty used cars), and you don't know which is which
Triss [41]

Answer: Hence, the probability that he will get at least one lemon is 0.70.

Step-by-step explanation:

Since we have given that

Number of cars = 30

Number of lemon cars = 10

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According to question, he bought 3 cars,

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So, P(X≤1)=1-P(X=0)=1-P(no lemon)

Here, P(no lemon ) is given by

\dfrac{20}{30}\times \dfrac{20}{30}\times \dfrac{20}{30}=(\dfrac{20}{30})^3

so, it becomes,

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Hence, the probability that he will get at least one lemon is 0.70.

5 0
3 years ago
of the students in ms. hillers class, 27% have blonde hair, 0.33 have black hair and 2/5 have brown hair. which hair color is mo
aleksandrvk [35]

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6 0
3 years ago
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