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lozanna [386]
3 years ago
7

a spinner used for a game is divided into 4 sections yellow brown red and orange the spinner is spun 50 times and lands on brown

12 times what is the experimental probability that the spinner does not land on brown
Mathematics
2 answers:
Arte-miy333 [17]3 years ago
7 0
3/50 my be your answer
miskamm [114]3 years ago
5 0

Answer: 0.76

Step-by-step explanation:

Given : Number of sections ( yellow, brown, red and orange) = 4

The spinner is spun 50 times and lands on brown 12 times, then the number of times spinner does not land on brown = 50-12=38

Then, the experimental probability that the spinner does not land on brown :_

\dfrac{\text{Spinner does not land on brown}}{\text{Total spins}}\\\\=\dfrac{38}{50}=0.76

Hence, the experimental probability that the spinner does not land on brown = 0.76

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Answer:

0.249579

Step-by-step explanation:

P(rain) = 0.3

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The event of rain falling a second time within the next 5 days is possible in these ways

1. Rain on days 1 and 2

2. Rain on days 1 and 3; none on day 2

3. Rain on days 1 and 4; none on days 2 and 3

4. Rain on days 1 and 5; none on days 2, 3 and 4

5. Rain on days 1 and 6; none on day 2, 3, 4 and 5

P(\text{second rain within 5 days}) = 0.3^2+0.3^2\times0.7+0.3^2\times0.7^2+0.3^2\times0.7^3+0.3^2\times0.7^4 = 0.3^2(1+0.7+0.7^2+0.7^3+0.7^4)= 0.09\times2.7731=0.249579

5 0
3 years ago
Why are and Iby 4<br>and - 1 zeroes of the polynomial p(x) <br>= 4² +3x-1?​
Serggg [28]

Answer:

- 1 = 16 + 3x - 1 \\ 3x = 16 - 1 + 1 \\  \frac{3x}{3} =  \frac{16}{3}  \\  x = 5.33

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dolphi86 [110]

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Step-by-step explanation:

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monitta

Answer: Choice A

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=============================

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Let's look through the answer choices.

Choices C and D show that the point (2,1) is on the line. But the graph does not show this. So we can rule out choices C and D.

With choice A, the slope is negative and choice B has a positive slope.

The answer must be choice A because the line is going downhill as we move from left to right.

--------------

A common method is to pick two points on the line and compute the slope using the slope formula

m = (y2-y1)/(x2-x1)

Once you know the slope, you would use point slope form

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