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kkurt [141]
3 years ago
12

Is my answer A or d??

Mathematics
1 answer:
alexira [117]3 years ago
8 0

Answer:

d

Step-by-step explanation:

The answer must have a negative slope because the graph is decreasing.

The y-intercept is 10. The equation must have +10 at the end.

y = -3x + 10

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The value of P(R = 3) is 0.2854

<h3>Probability</h3>

Probabilities are used to determine the chances of events.

The given parameters are:

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Simplify

p= \frac{9}{19}

The probability that the ball does not land on a red slot is calculated as:

q = \frac{18+2}{38}

q = \frac{20}{38}

Simplify

q = \frac{10}{19}

<h3>Binomial probability</h3>

The value of P(R = 3) is then calculated using the following binomial probability formula

P(R = r) = ^nC_rp^rq^{n-r}

Where:

n = 7

r = 3

So, we have:

P(R = 3) = ^7C_3 \times (9/19)^3 \times (10/19)^{7-3}

P(R = 3) = 35 \times (9/19)^3 \times (10/19)^4

P(R = 3) = 0.2854

Hence, the value of P(R = 3) is 0.2854

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brainly.com/question/15246027

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