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AVprozaik [17]
3 years ago
12

Answer and explain it please

Mathematics
1 answer:
satela [25.4K]3 years ago
4 0

Answer:

363 inches squared

Step-by-step explanation:

Area = \pi*11^2. \pi is 3 so it's just 11 squared times 3. Which is 121 times 3. That equals 363.

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Sholpan [36]
Solve the first equation for y.

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y=2-3x

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x=18
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Answer is D
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Explanation:

Substitute

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Tcecarenko [31]

Answer:

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#Both np and np(1-p) are greater than 5, hence, normal approximation is most appropriate:

\mu_x=11.04\\\\\sigma^2=np(1-p)=0.48\times 0.52\times 23=5.7408

#Define Y:

Y~(11.04,5.7408)

P(X\leq 12)\approx P(Y\leq 12.5)\\\\P(Z\leq \frac{(12.5-11.04)}{\sqrt{5.7408}})=\\\\=1-0.2709\\\\=0.7291

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b. The  probability that 5 or more fish were caught.

#Using normal approximation:

P(X \geq 5) \approx P(Y \geq 4.5) = P(Z \geq\frac{ (4.5-11.04)}{\sqrt{(5.7408)}})\\\\=1-0.0032\\\\=0.9968

Hence, the probability of catching 5+ is 0.9968

c. The probability of between 5 and 12 is calculated as;

-From b above P(X\geq 5)=0.9968 and a ,P(X\leq 12)=0.7291

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Hence, the probability of between 5 and 12 is 0.7259

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