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Sindrei [870]
3 years ago
14

please help with this it would mean a lot (you don't have to give the answer just help me understand it.) thanks

Mathematics
1 answer:
lord [1]3 years ago
4 0
<span>2.065 IS THE ANSWER!!</span>
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Which graph represents the sequence: 80, -40, 20
ANEK [815]
<span> 80/-40=-40/20=-2, 
the sequence: 80, -40, 20 is a geometric sequence
its general formula is Vn+1 = q Vn, where q= -2,
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<span>               Vn = x 

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Volume of the cylinder=?
lyudmila [28]

Answer:

 628.32

Step-by-step explanation:

Volume: 

πr2h

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6 0
2 years ago
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A veterinary researcher takes a random sample of 60 horses presenting with colic. The average age of the random sample of horses
Licemer1 [7]

Answer:

Probability that a sample mean is 12 or larger for a sample from the horse population is 0.0262.

Step-by-step explanation:

We are given that a veterinary researcher takes a random sample of 60 horses presenting with colic. The average age of the random sample of horses with colic is 12 years. The average age of all horses seen at the veterinary clinic was determined to be 10 years. The researcher also determined that the standard deviation of all horses coming to the veterinary clinic is 8 years.

So, firstly according to Central limit theorem the z score probability distribution for sample means is given by;

                    Z = \frac{\bar X-\mu}{\frac{\sigma}{\sqrt{n} } } ~ N(0,1)

where, \bar X = average age of the random sample of horses with colic = 12 yrs

            \mu = average age of all horses seen at the veterinary clinic = 10 yrs

   \sigma = standard deviation of all horses coming to the veterinary clinic = 8 yrs

         n = sample of horses = 60

So, probability that a sample mean is 12 or larger for a sample from the horse population is given by = P(\bar X \geq 12)

   P(\bar X \geq 12) = P( \frac{\bar X-\mu}{\frac{\sigma}{\sqrt{n} } } \geq \frac{12-10}{\frac{8}{\sqrt{60} } } ) = P(Z \geq 1.94) = 1 - P(Z < 1.94)

                                                 = 1 - 0.97381 = 0.0262

Therefore, probability that a sample mean is 12 or larger for a sample from the horse population is 0.0262.

4 0
3 years ago
omar is born weighing 8lb and 3oz. the doctor says he must gain 5 pounds for the next 4 weeks. how much should he weigh after th
lara31 [8.8K]

Answer: 91 pounds and 7 ounces

Step-by-step explanation:

your welcomeee

3 0
3 years ago
If a point in Quadrant I is reflected across the x-axis, where is the reflection located?
musickatia [10]
It would be quadrant iv
8 0
3 years ago
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