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Amanda
1 month ago
8

What is the product of (–0.9)(–2.4)?

Mathematics
2 answers:
Leona [12.6K]1 month ago
7 0

Response:

2.16

Detailed explanation:

Svet_ta [12.7K]1 month ago
4 0

Response:

−

0.9

 by

−

2.4

Detailed explanation:

the result is 2.16

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What's the verbal expression for the algebraic expression 1/8y .?
Leona [12618]
The given expression is \frac{1}{8}y

Thus, in verbal form, we can express it as one eighth of a number.


5 0
3 months ago
A politician wants to estimate the proportion of constituents favoring a controversial piece of proposed legislation. suppose th
babunello [11817]

Answer:

We have the following details:

Confidence level = 99%. Hence, the critical value at a 0.01 significance level is provided below:

z_{\frac{0.01}{2}}=2.576

The margin of error is mentioned in the question as:

E=0.05

Since we lack information about the previous proportion, we need to assume \hat{p} = 0.5.

Therefore, the required sample size is:

n=\hat{p}(1-\hat{p}) \left( \frac{z_{\frac{0.01}{2}} }{E} \right)

  =0.5(1-0.5) \left( \frac{2.576}{0.05} \right)

  =0.25 \times 51.52^2

  =663.6 \approx 664

Thus, it requires 664 sample observations.    

4 0
3 months ago
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