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ivanzaharov [21]
2 years ago
8

10 points!! Please give me real help!!

Mathematics
1 answer:
Nastasia [14]2 years ago
8 0

Answer:

32

Step-by-step explanation:

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Domain:-> ( (-infinity) ,4)

Range:-> ((-infinity),infinity)

increasing in (-2.8,1.4)

decrasing in ( (-infinity) ,-2.8 ) U (1.4, infinity)

Hope it helps...

Regards,

Leukonov/Olegion.

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Marguerite is building a box from strips of wood. She needs 78 pieces of wood that are each 29 cantimeters long. The wood comes
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She will need 3.77 pieces of wood because 1 piece is 6m which is 600 cm and she need 78 pieces of 29 cm so 78*29=2262 then you divide the by 600 and that gives you 3.77 so she realy need 4 sorry i f i got it wrong. 


the answer either 3.77

or 4 
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3 years ago
19/76 in lowest form
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Suppose a city official conducts a hypothesis test to test the claim that the majority of voters oppose a proposed school tax. A
lidiya [134]

Answer:

The correct option is (B).

Step-by-step explanation:

The p-value is well-defined as per the probability, [under the null-hypothesis (H₀)], of attaining a result equivalent to or more extreme than what was the truly observed value of the test statistic.

In this case, we need to test the claim that the majority of voters oppose a proposed school tax.

The hypothesis can be defined as follows:

<em>H</em>₀: The proportion of voters opposing a proposed school tax is not a majority, i.e. <em>p</em> ≤ 0.50.

<em>Hₐ</em>: The proportion of voters opposing a proposed school tax is a majority, i.e. <em>p</em> > 0.50.

It is provided that the test statistic value and <em>p</em>-value are:

<em>z</em> = 1.23

<em>p</em>-value = 0.1093

The probability, [under the null-hypothesis (H₀)], of attaining a result equivalent to or more extreme than what was the truly observed value of the test statistic is 0.1093.

The significance level of the test is:

<em>α</em> = 0.05

The <em>p</em>-value of the test is larger than the significance level of the test.

<em>p</em>-value = 0.1093 > <em>α</em> = 0.05

The null hypothesis will not be rejected.

Concluding that there is not enough evidence to support the claim.

Thus, the correct option is:

"If the null hypothesis is true, then the probability of getting a test statistic that is as or more extreme than the calculated test statistic of 1.23 is 0.1093. This result is not surprising (or considered unusual) and could easily happen by chance"

8 0
3 years ago
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