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NikAS [45]
3 years ago
14

Help!! I'm super confused and I was on vacation for this chapter

Mathematics
1 answer:
aalyn [17]3 years ago
4 0
I hope this helps you

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For population parameter μ = true average resonance frequency for all tennis rackets of a certain type, each of these is a confi
Andreyy89

Answer:

X[bar]= 115

Step-by-step explanation:

Hello!

Every Confidence interval to estimate the population mean are constructed following the structure:

"Estimator" ± margin of error"

Wich means that the intervals are centered around the sample mean. To know the value of the sample mean you have to make the following calculation:

X[bar]= \frac{Upper bond + Low bond}{2}

X[bar]= \frac{115.6+114.4}{2} = 115

Since both intervals were calculated with the information of the same sample, you can choose either to calculate the sample mean.

I hope it helps!

5 0
3 years ago
Hey guys please help me solve this math question​
spin [16.1K]

Step-by-step explanation:

When x = -2, x + 2 = (-2) + 2 = 0.

8 0
2 years ago
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1. The population of a small town has established a growth rate of 3% per year. If the
Rasek [7]

Answer:

17 years

Step-by-step explanation:

3% of 2000 = 60

3000-200 = 1000

1000 ÷ 60= 16.6666666667

Round to the nearest whole number: 17

8 0
3 years ago
What is the answer for cos(43) = sin(?)
oee [108]

Answer:

Step-by-step explanation:

cos 43=cos (90-47)=sin 47

6 0
3 years ago
What is double of 16
m_a_m_a [10]

Answer:

32

Step-by-step explanation:

16+16=32

or you can say 16*16=32

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3 years ago
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