2 years ago

Solve the following problem. 3/8×3/4=

Mathematics

1 answer:

mel-nik [20]2 years ago

3 0

Answer: 9/32

Step-by-step explanation: Multiply Straight across.

Brainliest please

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Answer:

The 99% confidence interval for the population mean is 22.96 to 26.64

Step-by-step explanation:

Consider the provided information,

A sample of 49 customers. Assume a population standard deviation of $5. If the sample mean is $24.80,

The confidence interval if 99%.

Thus, 1-α=0.99

α=0.01

Now we need to determine $z_{\frac{\alpha}{2}}=z_{0.005}$

Now by using z score table we find that $z_{\frac{\alpha}{2}}=2.58$

The boundaries of the confidence interval are:

$\mu-z_{\frac{\alpha}{2}}\times \frac{\sigma}{\sqrt{n} }\\24.80-2.58\times \frac{5}{\sqrt{49}}=22.96\\\mu+z_{\frac{\alpha}{2}}\times \frac{\sigma}{\sqrt{n} }\\24.80+2.58\times \frac{5}{\sqrt{49}}=26.64$

Hence, the 99% confidence interval for the population mean is 22.96 to 26.64

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3 years ago

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yan [13]

f(39)=65-100(39)

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2 years ago

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Zarrin [17]

The answer is 89,760 feet.

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What is the product of 567 and 8

Doss [256]

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Find the vertex of the graph of the equation y = 3x^2-6x+7

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