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anzhelika [568]
3 years ago
6

I WILL GIVE U BRAINLIEST AND THANKS AND 5 STARS

Mathematics
2 answers:
Damm [24]3 years ago
8 0

Answer:

or what does it mean that eu only portuguese phallus translate for portuguese please

Taya2010 [7]3 years ago
8 0
Answer: B
x+2.6=10.4
x=7.8
the solution (x=7.8) means that Mai had 7.8 liters of water before they added the 2.6 liters to equal 10.4 in total.
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3 years ago
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A distributor of personal computers has five locations in a city. In the year's first quarter, the sales in units were: Location
Deffense [45]

Answer:

The correct option is (c) 13.277.

Step-by-step explanation:

The observed data is:

Location                      Observed sales (units)

Northside                                70

Pleasant Township                 75

Southwick                               70

I-90                                          50

Venice Avenue                       35

TOTAL                                   300

The test statistic for the Goodness of fit test is:

\chi^{2}=\sum\frac{(Observed-Expected)^{2}}{Expected}

For <em>k</em> independent samples this test statistic follows a Chi-square distribution with degrees of freedom (<em>k</em> - 1).

The sample size in this case is, <em>k</em> = 5.

The degrees of freedom is, (<em>k</em> - 1) = 4.

The level of significance is, <em>α</em> = 0.01.

The critical value of the test is:

\chi^{2}_{\alpha ,k-1}=\chi^{2}_{0.01,4}=13.277

**Use the Chi-square table.

Thus, the critical value is 13.277.

7 0
3 years ago
I need help with this I don't get it at all
iren [92.7K]

Answer:

the answer is C

Step-by-step explanation:

because the negative needs to be on the inside not on the outside

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Step-by-step explanation:

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