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nika2105 [10]
3 years ago
8

?12.Write an equation and solve it to find the measure of Angle TPQ.

Mathematics
1 answer:
tatuchka [14]3 years ago
8 0
9 times 9 = 81 6 times 6 =36 so 36 plus 18
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A sample of 64 was taken from a population, with the mean of the sample being 119 and the standard deviation of the sample being
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We have the sample size, sample mean and the sample standard deviation. Since the population standard deviation is not know, we will use t-distribution to find the confidence interval.

The critical t value for 95% confidence interval and 63 degrees of freedom is 1.998.

The 95% confidence for the population mean will be:

(119-1.998 *\frac{16}{ \sqrt{64} } ,119+1.998 *\frac{16}{ \sqrt{64} }) \\  \\ 
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Thus, the 95% confidence interval for the population mean will be (115,123)

So, option A is the correct answer
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3 years ago
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Step-by-step explanation:

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