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Amiraneli [1.4K]
3 years ago
8

Write the quadratic equation in general form. (x - 3)2 = 0 x2 + 9 = 0 x2 + 6x + 9 = 0 x2 - 6x + 9 = 0

Mathematics
2 answers:
professor190 [17]3 years ago
4 0
The quadratic equation (x - 3)^2 = 0 in general form is x^2 - 6x + 9 = 0.
Vera_Pavlovna [14]3 years ago
4 0

The last choice is correct hope this helped

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A simple random sample of 36 men from a normally distributed population results in a standard deviation of 10.1 beats per minute
Katyanochek1 [597]

Answer:

Step-by-step explanation:

Given that:

sample size n = 36

standard deviation = 10.1

level of significance ∝ = 0.10

The null hypothesis and the alternative hypothesis can be computed as follows:

H_0 : \sigma = 10

H_1 : \sigma \neq 10

The test statistics can be computed as follows:

X^2 = \dfrac{(n -1)s^2 }{\sigma ^2}

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X^2 = \dfrac{(35)102.01 }{100}

X^2 = \dfrac{3570.35 }{100}

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P - value = 2 × 0.435163515

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Decision Rule : To reject the null hypothesis if  P - value is less than the 0.10

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3 years ago
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