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SCORPION-xisa [38]
3 years ago
6

Convert the rectangular equation to polar form. assume a is less than 0. x=10

Mathematics
1 answer:
Ilia_Sergeevich [38]3 years ago
5 0
R cos(t) =10 r = 10/cos(t)
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When obtaining a confidence interval for a population mean in the case of a finite population of size N and a sample size n whic
Elanso [62]

Answer:

95% Confidence interval for the mean

142.8 \leq\mu\leq158.4

Step-by-step explanation:

We have to calculate a 95% confidence interval for the mean of a finite population.

The error is multiplied by the following finite population correction factor:

cf=\sqrt{\frac{N-n}{N-1} }

The standard deviation can be estimated as

\sigma=\frac{s}{\sqrt{n}} \sqrt{\frac{N-n}{N-1} } =\frac{24.4}{\sqrt{32} }* \sqrt{\frac{200-32}{200-1} }=3.963

The 95% confidence interval has a z value of 1.96, so it becomes:

M-z*\sigma_c\leq\mu\leq M+z*\sigma_c\\\\150.6-1.96*3.963\leq\mu\leq 150.6+1.96*3.963\\\\ 142.8 \leq\mu\leq 158.4

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Answer:

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Step-by-step explanation:

General Formula :

total trials Cn⋅p(success)^n⋅p(fail)^total−n

1198144* (.0218)^3 * (1-.0218)^191

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3 years ago
Write the equation of the line that passes through the given points:
Airida [17]

Answer:

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Step-by-step explanation:

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m=(-6+1)/(-4+2)

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4 0
4 years ago
I need help please please
kotegsom [21]

Answer:

k, a, and i  I think!

Step-by-step explanation:

5 0
3 years ago
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