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Lesechka [4]
2 years ago
7

What is the first term of the arithmetic sequence?.

Mathematics
1 answer:
Ilya [14]2 years ago
8 0
The number a is the first term, and d is the common difference of the sequence.
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An ABC News poll asked adults whether they felt genetically modified food was safe to eat. 35% felt it was safe, 52% felt it was
Masteriza [31]

Answer:

The proportions differ from those reported in the survey.

Step-by-step explanation:

The Chi-square goodness of fit test would be used to determine whether the proportions differ from those reported in the survey.

The hypothesis for the test can be defined as follows:

<em>H</em>₀: The proportions does not differ from those reported in the survey.

<em>Hₐ</em>: The proportions differ from those reported in the survey.

Assume that the significance level of the test is, α = 0.01.

The Chi-square test statistic is given by:

\chi^{2}=\sum\limits^{n}_{i=1}{\frac{(O_{i}-E_{i})^{2}}{E_{i}}}

Consider the Excel sheet provided.

The Chi-square test statistic value is 191.32.

The <em>p</em>-value of the test is:

p-value=P(\chi^{2}_{(n-1)}>191.32)\\\\=\text{CHISQ.DIST.RT}(191.32,2)\\\\=0.0000

The <em>p</em>-value of the test is very small. The null hypothesis will be rejected at 1% level of significance.

Thus, concluding that the proportions differ from those reported in the survey.

5 0
3 years ago
2+2 is 4 minus 1 that’s 3 quick maths
mr_godi [17]

Answer:

love that meme

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
I need help please!!!
e-lub [12.9K]
There is no distinct pattern, the scatter plot would be up down and spread apart, nothing really correlated.

3 0
2 years ago
Find the surface area. *<br> 2)<br> 14 km<br> 11 km<br> 6.3 km<br> 7 km<br> 5 km
ella [17]

Answer:

pp

Step-by-step explanation:

6 0
3 years ago
If the triangles in the diagram are congruent, what is the value of x?
Natalija [7]
If shapes are congruent, then they are mathematically equal (same dimensions, angles etc.). So just locate where the angle x is on both triangles, it should have a value on or a calculable value on the other. If you provide us with the actual sheet I could walk you through it.

4 0
3 years ago
Read 2 more answers
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