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Lesechka [4]
3 years ago
14

Determine if the question posed is a statistical question (yes) or not (no). What is 2 plus 2?

Mathematics
1 answer:
dimulka [17.4K]3 years ago
5 0

Answer:yes?

Step-by-step explanation:

it has #s in it lol

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Solve.<br> (2x+24)(4x+36)
Eva8 [605]
You just need to foil. 2x times 4x times 2x times 36 times 24 times 4x times 24times 36. then solve.
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3 years ago
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What is the probability that five randomly selected students will have a mean score that is greater than the mean achieved by th
katrin2010 [14]

Answer:

the probability that five randomly selected students will have a mean score that is greater than the mean achieved by the students = 0.0096

Step-by-step explanation:

From the five randomly selected students ; 160, 175, 163, 149, 153

mean average of the students = 160+175+163+149+153/5

= mean = x-bar = 800/5

mean x-bar = 160

from probability distribution, P(x-bar > 160) = P[ x-bar - miu / SD > 160 -150.8 /3.94]

P( Z>2.34) = from normal Z-distribution table

= 0.0096419

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hence the probability that five randomly selected students will have a mean score that is greater than the mean achieved by the students = 0.0096

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5 0
3 years ago
What is the experamental probability that the coin lands on heads?
sammy [17]

Answer:

The experamental probability that the coin lands on head is 50 %

Step-by-step explanation:

Given:

Experiment:

A coin is Toss

Let the Sample Space be 'S' that is total number of outcomes for a coin has been tossed = { Head, Tail }

∴ n ( S ) =  2

Let A be the event of getting a Head on tossing a coin i.e  { Head }

∴ n( A ) = 1

Now,

\textrm{Probability} =\frac{\textrm{outcomes for the experiment}}{\textrm{total number of outcomes}}

Substituting the values we get

P(A) = \frac{n(A)}{n(S)} \\\\P(A) = \frac{1}{2} \\\\P(A) = 0.5\\\\P(A) = 50\%

The experamental probability that the coin lands on head is 50 %

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3 years ago
Simplify fraction 80/25
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80 / 25 = 3 5/25

3 5/25

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Maria first made an error in step 3.

Maria can correct her error by multiplying 136.49 by 1 over 4 before subtracting 3.0625 from it.

4 0
3 years ago
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