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ANEK [815]
3 years ago
12

Connor rolled a die 6 times. A 2 occurred three times. Why isn't the theoretical probability 3/6 instead of 1/6?​

Mathematics
1 answer:
Cerrena [4.2K]3 years ago
6 0

2 occurred 3times

\\ \sf\longmapsto S=6\times 3=18

\\ \sf\longmapsto |S|=18

Now

\\ \sf\longmapsto E=No\:of\:times\: 2\:occured

\\ \sf\longmapsto |E|=3

we know

\boxed{\sf P(E)=\dfrac{|E|}{|S|}}

\\ \sf\longmapsto P(E)=\dfrac{3}{18}

\\ \sf\longmapsto P(E)=\dfrac{1}{6}

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One day, eleven babies are born at a hospital. Assuming each baby has an equal chance of being a boy or girl, what is the probab
Andrews [41]
You only need to consider the situations where 10 or 11 of the babies are girls, then subtract those probabilities from 1.  This will give probability that any other number up to 9 of the babies are girls.

Use binomial theorem.
P(x=k) = (nCk) p^k (1-p)^{n-k}

n = 11
k = 10,11
p = 1/2

P(x=10) = 11 (\frac{1}{2})^{11} = \frac{11}{2048} \\  \\ P(x=11) = 1(\frac{1}{2})^{11} = \frac{1}{2048} \\  \\ P(x \leq 9) = 1 - \frac{11}{2048} - \frac{1}{2048} \\  \\ P(x \leq 9)=\frac{2036}{2048} = \frac{509}{512}
4 0
3 years ago
Someone help me please !!!
LenaWriter [7]
Yes it is a function
3 0
3 years ago
CORRECT GETS BRAINLIEST
Dmitrij [34]
C. 2/3 is the correct answer. I worked this question out and that is what I got! I hope you have a nice day! (mark as brainliest!)
6 0
3 years ago
Can anyone solve it plzzzz ​
Vedmedyk [2.9K]

Answer:

1.A matrix is a rectangular array of numbers, symbols, or expressions, arranged in rows and columns.

2.

Solution given:

We have

Sin²\theta-Cos ²\theta=1

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Sin\theta=\sqrt{1-Cos²\theta}

3.

4Tan²\theta+4Cot²\theta-3Tan²\theta-3Cot²\theta

4Tan²\theta-3Tan²\theta+4Cot²\theta-3Cot²\theta

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7 0
2 years ago
PLEASE ANSWWR ASAP thanks
AleksAgata [21]
(4x - 8) = 80/2
4x - 8 = 40
4x = 48
x = 12
answer
x = 12
4 0
3 years ago
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