Teesha is in a french club. there are 10 freshman, 12 sophomores, 15 juniors, and 30 seniors in the club. the advisor is going t
1 answer:
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Answer:
x = 14
Step-by-step explanation:
Step 1: First, Simplify the fraction.
Step 2: Next, Multiply both sides by 7.
4x = 8 × 7
Step 3: Simplify 8 × 7 to 56.
4x = 56
Step 4: Then, Divide both sides by 4.
Step 5: Lastly, Simplify the fraction and you're done!
x = 14
Answer:
a)
b)
Step-by-step explanation:
Given that:
population mean = 30,000
sample size n = 800
population proportion p = 0.6
a)
The mean of the the sampling distribution is equal to the population proportion.
b)
The standard deviation of the sampling distribution can be estimated by using the formula:
Answer:
8πcm²/sec
Step-by-step explanation:
The radius of the circle increases at a rate of dr/dt = 0.25cm/sec
The radius of the circle r = 16cm
The area of the circle increases at a rate of dA/dt = ?
Area of a circle = πr²
We take the derivative with respect to t
dA/dt = 2πrdr/dt
dA/dt = 2 π (16)(0.25)
dA/dt = 8πcm²/sec
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