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4 years ago

Which graph has a negative slope?

Mathematics

2 answers:

natita [175]4 years ago

4 0

its c because it starts from the top left side and it goes to the bottom right side, opposite from the rest of the options.

Natalija [7]4 years ago

3 0

A negative slope is a slope that is higher up towards the left, and goes down as it progresses right.

C) is your answer, for it fits the description.

hope this helps

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Find the z-score that has 62.8% of the distribution’s area to its left

ArbitrLikvidat [17]

$\mathbb P(Z$

where $F_Z(z)$ is the cumulative distribution function for the random variable $Z$ following the standard normal distribution.

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3 years ago

A sample of 60 items from population 1 has a sample variance of 8 while a sample of 40 items from population 2 has a sample vari

lora16 [44]

Answer:

H0: $\sigma^2_1 = \sigma^2_2$

H1: $\sigma^2_1 \neq \sigma^2_2$

The statistic would be given by:

$F=\frac{s^2_2}{s^2_1}=\frac{10}{8}=1.25$

Step-by-step explanation:

Information given

$n_1 = 60$ represent the sample size 1

$n_2 =40$ represent the sample size 2

$s^2_1 = 8$ represent the sample variance 1

$s^2_2 = 10$ represent the sample variance 2

The statistic to check the hypothesis is given by:

$F=\frac{s^2_2}{s^2_1}$

Hypothesis to test

We want to test if the two variances are equal, so the system of hypothesis are:

H0: $\sigma^2_1 = \sigma^2_2$

H1: $\sigma^2_1 \neq \sigma^2_2$

The statistic would be given by:

$F=\frac{s^2_2}{s^2_1}=\frac{10}{8}=1.25$

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4 years ago

34,514.006 - 34,234 is the question

Igoryamba

Answer:

280.006

Step-by-step explanation:

34,234 can also be written as 34,234.000

34,514.006 - 34,234

= 34,514.006 - 34,234.000

= 280.006

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3 years ago

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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3 years ago

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