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Pie
3 years ago
5

Can anyone help me please

Mathematics
1 answer:
Gekata [30.6K]3 years ago
4 0

Answer:

1. 22.5

2. 2.4

3. 0.8

4. 14

5. 27.9...

6. 6

Hope this helps!

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Editors preparing a report on the economy are trying to estimate the percentage of businesses that plan to hire
goldfiish [28.3K]

The number of randomly selected employers that would have to be contacted is 9604

<h3>How to solve for the value of n</h3>

The confidence level is 95%

1 - 0.95 = 0.05

We have to get the z value at 0.05

0.05/2 = 0.025

Using the standard normal table, the critical value at 0.025 = 1.96

We have to define the probability as P = 50% = 0.5

we have to define q = 1 - 50% = 0.5

The formula that would be used to find the value of n is given as

n = pq\frac{Zc}{E} ^2

These variables used are:

pq = variance of population

E = margin of error = 0.01

critical value = Zc = 1.96

n = 0.5*0.5 (\frac{1.96}{0.01})^2

= 0.25 * 38416

= 9604

Hence the sample space is given as 9604

Read more on confidence interval here:

brainly.com/question/26658887

#SPJ1

8 0
1 year ago
Help me the ones marked in red.
aev [14]
2. 22
6. 12
7. 420x^3
10. 7
14. 1
5 0
2 years ago
If you have 30$ and you need to find 8%, and add to 30$ then find 15% of that, and what’s your total?
stira [4]

Answer:

Our total amount value is $4.86.

Step-by-step explanation:

The total amount given is $30.

Now  8 % of $30 = \frac{8}{100}  \times 30 = 2.4

or, 8% of $30  = $2.4

Now adding $30 and $2.4,

$ 30 + $2.4  = $32.4

Finding 15% of the total $32.4,

we get  \frac{15}{100} \times 32.4 = 4.86

or, 15% of $32.4   = $4.86

hence, our total amount value is $4.86.

5 0
3 years ago
URGENT PLEASE HELP
OleMash [197]

Answer:

6.32

Step-by-step explanation:

6^2 - 2^2

✓40

=6.32455532

2d.p = 6.32

3 0
2 years ago
Decide if each value is a solution of the inequality 2y&lt;_8
Mice21 [21]

Answer:

Only 4 is the right answer. The rest all are false.

8 0
2 years ago
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