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icang [17]
3 years ago
8

Justin and Austin decide to play catch after school. They start at the same point.

Mathematics
2 answers:
Deffense [45]3 years ago
8 0
I think it’s A


a^^^^
SashulF [63]3 years ago
7 0
Ok so The answer is A

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It costs more to produce defective items - since they must be scrapped or reworked - than it does to produce non-defective items
Shtirlitz [24]

Answer:

1,082

Step-by-step explanation:

The sample size n in Simple Random Sampling is given by

\bf n=\frac{z^2s^2}{e^2}

where  

z = 1.645 is the critical value for a 90% confidence level (*)

s = 2 is the estimated population standard deviation

e = 0.1 mm points is the margin of error

so  

\bf n=\frac{z^2s^2}{e^2}=\frac{(1.645)^2(2)^2}{(0.1)^2}=1,082.22\approx 1,083

rounded up to the nearest integer.

So the manufacturer should test 1,083 parts.

---------------------------------------------------------------------------------------

(*)This is a point z such that the area under the Normal curve N(0,1) outside the interval [-z, z] equals 10% = 0.1

It can be obtained in Excel with

NORMINV(1-0.05,0,1)

and in OpenOffice Calc with

NORMINV(1-0.05;0;1)

5 0
3 years ago
Which sample fairly represents the population? Select two options.
iVinArrow [24]

Answer:

...

Step-by-step explanation:

where is the question

4 0
2 years ago
Read 2 more answers
Joe won a lottery jackpot that will pay him $12000.00 eachyear
geniusboy [140]

Answer:

$3863.68

Step-by-step explanation:

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4 0
2 years ago
Write the ratio $12 dollers for 3 tickets as a unit rate​
guajiro [1.7K]

The unit rate would be the price for 1 ticket.

12 dollars / 3 tickets = $4 per ticket.

The ratio would be 4:1

8 0
3 years ago
Simplify: (10*5+6)(13+2)+19
lianna [129]
The answer would be 859.  

<span><span><span><span><span><span>(10)</span><span>(5)</span></span>+6</span>)</span><span>(<span>13+2</span>)</span></span>+19
</span><span>=<span><span><span>(<span>50+6</span>)</span><span>(<span>13+2</span>)</span></span>+19
</span></span><span>=<span><span>56<span>(<span>13+2</span>)</span></span>+19
</span></span><span>=<span><span><span>(56)</span><span>(15)</span></span>+19
</span></span><span>=<span>840+19
</span></span><span>=<span>859

Hope this helps!!

</span></span>
7 0
2 years ago
Read 2 more answers
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