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Maru [420]
3 years ago
9

For the Past year, national percentages of people's preference in car color are as follows: White: 35%, Silver: 28%, Blue: 24%,

Red: 10%, Other: 3% Of the 9,000 people who bought cars in San Jose recently, the following is the record of colors: White 3,145; Silver 2510; Blue 2,165; Red 905; Other 275 Use "Goodness of Fit Test" and the Chi Square distribution What is the value of the Chi Square Test Statistics for this problem to the nearest third decimal place? What is the p value for chi square?
Mathematics
1 answer:
Advocard [28]3 years ago
7 0

Answer:

35%

Step-by-step explanation:

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Simplify 3 over 2 x 3 over 2 exact answer
nikitadnepr [17]

ANSWER : 9 over 4

or 2 and 1/4

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*3 over 2 x 3 over 2 is 3/2 x 3/2* << this is for me to remember

Okay so multiplying fractions means for us to multiply across. That means if we line the fractions, we multiply. Like this

 3     x     3

-----         -----                3 times 3 is = 9

 2     x     2                  2 times 2 is = 4

9 over 4 is the same thing as 2 and 1/4  << FRACTION    

                                                ^^      

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8 0
3 years ago
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The Rodriquez family is donating
laiz [17]

Subtract the blue caps:

25-11 = 14 caps are either white or green.

Let green = X

white = X +2

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2x = 12

Divide both sides by 2:

x = 6

There are 11 blue caps, 6 green caps and 8 white caps.

5 0
3 years ago
Pleasee help me, I don’t get it
Aleks [24]

Answer:

x = 4 sqrt(5)

Step-by-step explanation:

Since this is a right triangle, we can use the Pythagorean theorem

a^2 + b^2 = c^2 where a and b are the legs and c is the hypotenuse

8^2 + x^2 = 12^2

64+ x^2 =144

Subtract 64 from each side

x^2 = 144-64

x^2 =80

Take the square root of each side

sqrt(x^2) = sqrt(80)

x = sqrt(16*5)

x = 4 sqrt(5)

8 0
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Vera_Pavlovna [14]
I'm confused on what you're asking, but this is scientific notation on the first one of 0.0000855. 8.55 x 10^-5

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3 years ago
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alisha [4.7K]
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