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3 years ago

How do u do long division

Mathematics

1 answer:

Archy [21]3 years ago

8 0

can you send me the actual problem so that i can solve it

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A consumer advocacy group wants to determine whether there is a difference between the proportions of the two leading automobile

podryga [215]

Answer:

The answer is "0.3206".

Step-by-step explanation:

$H_0: p_1 = p_2\\\\H_a: p_1 \neq p_2\\\\\hat{p_1} = \frac{X_1}{N_1} = \frac{53}{400} = 0.1325\\\\\hat{p_1}= \frac{X_2}{N_2} = \frac{78}{500}= 0.156\\\\\hat{p} = \frac{(X_1 + X_2)}{(N_1 + N_2)} = \frac{(53+78)}{(400+500)} = 0.1456$

Testing statistic:

$z = \frac{(\hat{p_1}- \hat{p_2})}{\sqrt{(\hat{p} \times (1-\hat{p}) \times (\frac{1}{N_1} + \frac{1}{N_2}))}}$

$=\frac{(0.1325-0.156)}{\sqrt{(0.1456\times (1-0.1456)\times (\frac{1}{400} + \frac{1}{500}))}}\\\\ = -0.99$

Calculating the P-value Approach

$\text{P-value}= 0.3206$

7 0

2 years ago

HELPPPPPPPPPPPPPPPPPPPPPPPPP

kenny6666 [7]

Answer:

Step-by-step explanation:

A. Calculating The Markdown Price

X=Markdown price

Original price: $600

Markdown rate: 20%

100%-20%=80%

The TV's price is now 80% of what it originally was.

$\frac{x}{600} =\frac{80}{100\\}$

100x=48000

x=480

The price of the TV after being marked down is $480.

B. Calculating The Sales Tax

Y=Total sales tax

TV price: $480

Sales tax: 10% or 0.1

y=480*0.1

y=48

The total sales tax is $48

C. Calculating Your Total

x+y=total

480+48=total

total=528

You in total pay $528 for the TV.

4 0

3 years ago

The volume of a cube is 27 cubic inches. What is the length of one edge of the cube?

yawa3891 [41]

Answer: 3

Step-by-step explanation: 3*3*3=27

7 0

2 years ago

Read 2 more answers

Jared buys 2.4 pounds of broccoli for $3.24. Which equation could Jared use to find c, the cost of each pound of broccoli

ss7ja [257]

Answer:

1.35

Step-by-step explanation:

3.24/2.4=1.35

7 0

2 years ago

Answer for bar graph of 182,000

Aneli [31]

Just split it in half and get 91,000 and put it on each side of the bar graph. 91,000 plus 91,000 equels 182,000

4 0

3 years ago