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Step2247 [10]
3 years ago
14

Select the correct answer.

Mathematics
1 answer:
Ahat [919]3 years ago
6 0

Answer:

A

Step-by-step explanation:

neither a relation nor a function

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IrinaK [193]
Every month she completes 5 paintings
it has beeen 6 months
6*5=30 paintings

needs 38
38-30=8 paintings more

she needs to complete 8 more paintings
4 0
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Do es compoumd interest have more of an impact for short-term​
Bezzdna [24]

Answer:

As the principal, interest rate, and compound periods increase, so does the future value of an investment. It doesn't matter if you are just putting some money into short-term, low rate savings accounts or CDs or long-term, higher return investments, compound interest will work for your benefit if you allow it.

Step-by-step explanation:

#LetsStudy

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3 years ago
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Chloe breaks into the pantry after Albert goes to work. She finds and opens a family-pack of mixed nuts. After surfing the web,
Firdavs [7]

Solution :

In this case we have to use $\text{chi square test}$ for the goodness of fit.

Null hypothesis is : $H_0 :$ Data follows the given distribution

Alternate hypothesis is : $H_a:$ Data do not follow the given distribution

The level of significance, $\alpha = 0.05$

The test statistics is given by :

Chi square = $\sum\frac{(O-E)^2}{E}$

Here O is the observed frequencies

         E is the expected frequencies

So we have, N = number of the categories = 4

df = degrees o freedom = N - 1

                                        = 4 - 1 = 3

Critical value  = $7.814727764$

Calculating the table for the test statistics are given as :

  Category      prop.     O        E       $\frac{(O-E)^2}{E}$

   A                   0.2     14       20         1.80

   C                   0.3     28       30         0.13

   M                  0.1        6        10          1.60

  P                    0.4      52       40         3.60

Total                  1        100      100        7.13

The test statics = chi square  = $\sum\frac{(O-E)^2}{E}$ = 7.13

$X^2$ statistics = 7.13

P-value = 0.067767248

P -value > $\alpha = 0.05$

Therefore, we do not reject the $\text{null hypothesis}$. There is sufficient evidence to conclude that the data follows the given distribution. So there is sufficient evidence to conclude the given claim is true.

4 0
3 years ago
Please answer this correctly without making mistakes
Fed [463]

Answer:

0

Step-by-step explanation:

0 works, because 4,571.109 ≤ 4,571.1197.

5 0
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Which of the following functions is even?
Lelu [443]

Answer:

c

Step-by-step explanation:

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