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3 years ago

7

I need help help me please

1 answer:

Strike441 [17]3 years ago

6 0

I think we use sets here...I'm not really sure but I think you just make a code like {1245679} {2456791} {4567912} {5679124} {6791245} {7912456} {9124567}. it's a bit confusing but I would say that 7 codes are possible. I'm not entirely sure. but hopefully I'm right?

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Vlad1618 [11]

Answer:

Hey there!

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A marble is randomly selected from a bag. The probability of selecting a marble with dots on it is 0.2. The probability of selec

marin [14]

Answer:

0.5

Step-by-step explanation:

Let D be the event of selecting a marble with dots.

Let P be the event of selecting a purple marble.

The probability of selecting a marble with dots, P(D)=0.2

The probability of selecting a marble that is both purple and has dots, $P(D \cap P)=0.1$

We want to determine the probability of selecting a purple marble given that the marble has dots on it, P(P|D)

By the definition of conditional probability:

$P(P|D)= \dfrac{P(P \cap D)}{P(D)} \\= \dfrac{0.1}{0.2}\\ =0.5$

The probability of selecting a purple marble given that the marble has dots on it is 0.5.

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3 years ago

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dangina [55]

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3 years ago

HELP PLEASE I WILL GIVE 50 POINTS AND MARK BRAINLESS TO BEST ANSWER

dedylja [7]

Answer:

The answer is 15

Step-by-step explanation:

I know and is not stupid

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