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lapo4ka [179]
3 years ago
9

Simplify

Mathematics
1 answer:
soldier1979 [14.2K]3 years ago
5 0
After factoring each polynomial and canceling the resulting binomials that appear in both the numerator and denominator, you are left with this fraction for your answer:

\frac{y+7}{4y+1}


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If p = .8 and n = 50, then we can conclude that the sampling distribution of pˆ is approximately a normal distribution
FrozenT [24]

Answer:

Yes we can conclude.

Step-by-step explanation:

The sampling distribution of \hat{p} can be approximated as a Normal Distribution only if:

np and nq are both equal to or greater than 10. i.e.

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  • nq ≥ 10

Both of these conditions must be met in order to approximate the sampling distribution of \hat{p} as Normal Distribution.

From the given data:

n = 50

p = 0.80

q = 1 - p = 1 - 0.80 = 0.20

np = 50(0.80) = 40

nq = 50(0.20) = 10

This  means the conditions that np and nq must be equal to or greater than 10 is being satisfied. So, we can conclude that the sampling distribution of pˆ is approximately a normal distribution

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3 years ago
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Rainbow [258]

your answer is a ok i hope this helpful

4 0
4 years ago
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Calculate a rooms edge

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NEED ASAP Triangle XYZ is similar to triangle PDQ. The measures of the angles in triangle XYZ are shown in the table. What is th
Effectus [21]

Answer:

measure angle D = 62

Step-by-step explanation:

as the sum  of measures of triangle =180

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XYZ SIMILAR TO PDQ

Y=D=3*14+20=62

6 0
3 years ago
1. What percent of students need swimming lessons?
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1.)
460. 100%
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2.)
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