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rusak2 [61]
3 years ago
6

Simplify: HELP ME lol whoever helps me ily

Mathematics
2 answers:
uranmaximum [27]3 years ago
8 0

Answer:

B

Step-by-step explanation:

ITS B UAU

stich3 [128]3 years ago
4 0

Answer:

I think it is b

I hope it is right and have a lovely day

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It costs you $10 to draw a sample size n=1 and measure the attribute of interest. you have a budget of $1,200
kicyunya [14]

<span>a.       </span>Do you have sufficient funds to estimate the population mean for the attribute of interest with a 95% confidence interval 4 units width? Assume that sd= 12

n= {[(Zalpha/2)^2]*[sd]^2}/ se^2

n= (1.96)^2*(12)^2/ (2)^2

n= 138.297 rounded up to 139

<span>There is not enough funds for this one since you’ll need 139 pieces and it costs 10 a piece, you’ll need 1390.</span>

b.      90% confidence interval

n= {[(Zalpha/2)^2]*[sd]^2}/ se^2

n= (1.645)^2*(12)^2/ (2)^2

n=98

There is enough funds since 98 pieces for 10 a piece is equal to 980.

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Answer:

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Step-by-step explanation:

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2 years ago
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1\frac{1}{6}
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If p(x)=3x^2-4, what is p(8a)
vredina [299]
We are tasked to solve the value of p(8a) in the expression p(x)=3x^2-4.
This means that what would find the value of the expression when x=8a. To solve this, we simply substitute the value of x in the expression.

p(x)=3x^2-4
p(8a)=3(8a)^2-4
p(8a)=3(64a^2)-4
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Step-by-step explanation:

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