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2 years ago

I NEED HELP NOW!!!!

Mathematics

2 answers:

gayaneshka [121]2 years ago

3 0

Answer:

before you asked this question did you look it up

Step-by-step explanation:

Kaylis [27]2 years ago

3 0

Answer:

I have to go soon but this is what i can do for u right now

Part 1: It is most definitely Unit 2.

Unit 2 has 24 dots in total while Unit 1 has 25.

Part 2: Mean = 13 (13.44)

Mean Absolute Deviation = 3 (2.848)

Step-by-step explanation:

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slava [35]

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2 years ago

What is 3 and 1/3 divided by 1 and 7/8?

goblinko [34]

Reduce the numbers with 3. Any expression divided by 1 remains the same.

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3 years ago

Question Solve: x - 18 = –103. Provide your answer belo

Alexxandr [17]

Answer:

x=-85

Step-by-step explanation:

x-18=-103

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2 years ago

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!!!!!!!!!! 50 POINTS !!!!!!!!!!!! <br><br> PROBLEM IS ATTACHED.

4vir4ik [10]

$(3x-7b)+(2b+2x)= 12b\\ 3x-7b+2b+2x=12b \\ 3x+2x -7b+2b=12b \\ 5x-5b=12b \\ 5x-5b+5b=12b+5b \\ 5x = 17b \\ \\ \boxed {\bf { \frac{17}{5} b}}$

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2 years ago

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A quality control engineer at a potato chip company tests the bag filling machine by weighing bags of potato chips. Not every ba

Ahat [919]

Answer:

$z=\frac{0.21 -0.15}{\sqrt{\frac{0.15(1-0.15)}{100}}}=1.68$

Step-by-step explanation:

Information provided

n=100 represent the random sample taken

X=21 represent the number of bags overfilled

$\hat p=\frac{21}{100}=0.21$ estimated proportion of overfilled bags

$p_o=0.15$ is the value that we want to test

z would represent the statistic

Hypothesis

We need to conduct a hypothesis in order to test if the true proportion of overfilled bags is higher than 0.15.:

Null hypothesis: $p =0.7$

Alternative hypothesis: $p > 0.15$

The statistic for this case is:

$z=\frac{\hat p -p_o}{\sqrt{\frac{p_o (1-p_o)}{n}}}$ (1)

And replacing the info given we got:

$z=\frac{0.21 -0.15}{\sqrt{\frac{0.15(1-0.15)}{100}}}=1.68$

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3 years ago