3 years ago

Can somebody help me please I need this answer

Mathematics

1 answer:

arlik [135]3 years ago

4 0

Answer:

I think it would be better if you scanned it so you get a quick solution I'm sorry I cant help on that

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A 97% confidence interval for the mean of a population is to be constructed and must be accurate to within 0.3 unit. A prelimina

ivann1987 [24]

Answer:

The sample size will be " $102.5494 \sim 102$ ". A further explanation is given below.

Step-by-step explanation:

Let the sample size will be:

= n

The given values are:

Standard deviation,

= 1.4

ME,

= 0.3

As we know,

⇒ $n=(Z \frac{a}{2}\times \frac{SD}{E})^2$

On putting the estimated values, we get

⇒ $=(2.17\times \frac{1.4}{0 .3})^2$

⇒ $=(\frac{3.038}{0.3})^2$

⇒ $=102.5494 \sim 102$

4 0

3 years ago

What’s up my dude. Help me with the problem

AnnZ [28]

Answer:

Step-by-step explanation:

4/14 divided by 2/2 is 2/7 and then 2/7 times 5/5 is 10/35 so its 35

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3 years ago

Solve for x if 5 - x = 6 A) 1 B) No solution C) -1 D) 5

bekas [8.4K]

Answer:

Step-by-step explanation:

5 - 1 = 4

5 - 5 = 0

5 - -1 = 6

I hope this helps but the answer most likely is C

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3 years ago

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Explain the meaning of zero in each situation. What is the opposite of the opposite of -12?

oee [108]

The opposite of -12 is 12

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3 years ago

Solve the system of equations.

dolphi86 [110]

Answer:

the answer is b

b works for each equation

Step-by-step explanation:

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3 years ago