2 years ago

What numbers do I put if I am regrouping using the numbers 279,389-191,492

Mathematics

2 answers:

Daniel [21]2 years ago

8 0

The answer is going to be 87897

solniwko [45]2 years ago

6 0

What subject is this

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Refer to the previous exercise. The researchers wanted a sufficiently large sample to be able to estimate the probability of pre

Maru [420]

Answer:

The large sample n = 117.07

Step-by-step explanation:

Step(i):-

Given that the estimate error (M.E) = 0.08

The proportion (p) = 0.75

q =1-p = 1- 0.75 =0.25

Level of significance = 0.05

Z₀.₀₅ = 1.96≅ 2

Step(ii):-

The Marginal error is determined by

M.E = $\frac{Z_{0.05} \sqrt{p(1-p)} }{\sqrt{n} }$

$0.08 = \frac{2 X \sqrt{0.75(1-0.75)} }{\sqrt{n} }$

Cross multiplication , we get

$\sqrt{n} = \frac{2 X \sqrt{0.75(1-0.75)} }{0.08 }$

√n = $\frac{2 X0.4330}{0.08} = 10.825$

squaring on both sides , we get

n = 117.07

Final answer:-

The large sample n = 117.07

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2 years ago

Negative 3/2 times negative 5 1/4

Travka [436]

You mean -3/2 * -51/4???

use the calculator to multiply them and you will get 19.125

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3 years ago

Which statement is true ?

Debora [2.8K]

The true statement will be A.

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kumpel [21]

Answer:

100% chance of this happening.

Step-by-step explanation:

The chances of this happening = 100% because all the numbers are greater than 0.

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