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4 years ago

Im doing a research project what place do you like better?

Mathematics

2 answers:

ipn [44]4 years ago

7 0

Answer:

the store ofc

Step-by-step explanation:

you could see people you know, you can eat food, free wifi. and you can buy stuff.

Kobotan [32]4 years ago

6 0

Answer:

I would like to be at the beach

Step-by-step explanation:

I whould like to be at the beach because it is a calm place you can hang out with family and friends and just relax by yourself if you would like to

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zheka24 [161]

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40 = x.....she spent 40 days on the trip

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4 years ago

Help will mark as brainless thanks

Rashid [163]

Answer:

136000×2000\8×100 do like that the answer is come

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3 years ago

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wolverine [178]

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4 0

3 years ago

Given a normal population which has a mean of 110 and a standard deviation of 5, find the probability that a random sample of 49

Mrac [35]

Answer:

0.9168

Step-by-step explanation:

From the data given:

Mean = 110

standard deviation = 5

Let consider a random sample n =49 which have a mean between 109 and 112.

The test statistics can be computed as:

$Z_1 = \dfrac{x- \bar x}{\dfrac{\sigma}{\sqrt{n}}}$

$Z_1 = \dfrac{109- 110}{\dfrac{5}{\sqrt{49}}}$

$Z_1= \dfrac{-1}{\dfrac{5}{7}}$

$Z_1$ = -1.4

$Z_2= \dfrac{x- \bar x}{\dfrac{\sigma}{\sqrt{n}}}$

$Z_2 = \dfrac{112- 110}{\dfrac{5}{\sqrt{49}}}$

$Z_2 = \dfrac{2}{\dfrac{5}{7}}$

$Z_2 =2.8$

Thus; P(109 < $\overline x$ < 112) = P( - 1.4 < Z < 2.8)

= P(Z < 2.8) - P( Z < -1.4)

= 0.9974 - 0.0806

= 0.9168

8 0

3 years ago

Lines pass through the sets of given points. Which choice shows perpendicular lines?

Andrew [12]

Answer:

I believe the answer is C .

Step-by-step explanation:

Hope you have a good day!

7 0

3 years ago

Read 2 more answers