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erma4kov [3.2K]
3 years ago
9

A scientist measures the heights of 25 oak trees. When he finds a the mean of these data which phrase of inferential statistics

will it represent A. Data organization B: Data analysis C: Data gathering D: probability-based inference
Mathematics
2 answers:
igor_vitrenko [27]3 years ago
5 0

Answer:

data analysis

Step-by-step explanation:

iren2701 [21]3 years ago
3 0
D:probability-based inference

Hope i helped :)

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A pair of fair dice is cast. Let Edenote the event that the number landing uppermost on the first die is a 1 and let Fdenote the
iris [78.8K]

Answer:

They are not independent

Step-by-step explanation:

Given

E = Occurrence of 1 on first die

F = Sum of the uppermost occurrence in both die is 5

Required

Are E and F independent

First, we need to list the sample space of a roll of a die

Event\ 1 = \{1,2,3,4,5,6\}

Next, we list out the sample space of F

Event\ 2 = \{2,3,4,5,6,7,3,4,5,6,7,8,4,5,\

6,7,8,9,5,6,7,8,9,10,6,7,8,9,10,11,7,8,9,10,11,12\}

In (1): the sample space of E is:

E = \{1\}

So:

P(E) = \frac{n(E)}{n(Event\ 1)}

P(E) = \frac{1}{6}

In (2): the sample space of F is:

F = \{5,5,5,5\}

So:

P(F) = \frac{n(F)}{n(Event\ 2)}

P(F) =\frac{4}{36}

P(F) =\frac{1}{9}

For E and F to be independent:

P(E\ and\ F) = P(E) * P(F)

Substitute values for P(E) and P(F)

This gives:

P(E\ and\ F) = \frac{1}{6} * \frac{1}{9}

P(E\ and\ F) = \frac{1}{54}

However, the actual value of P(E and F) is 0.

This is so because E = \{1\} and F = \{5,5,5,5\} have 0 common elements:

So:

P(E\ and\ F) = 0

Compare P(E\ and\ F) = \frac{1}{54} and P(E\ and\ F) = 0.

These values are not equal.

Hence: the two events are not independent

6 0
3 years ago
4 divided by 0.2 Please answer first one answers gets marked brainiest + 20 points!
tankabanditka [31]

Answer:

20 will be the answer

you've to remove decimal from the sum.

have a great day ahead

plz mark me as brainliest plzz

4 0
3 years ago
Read 2 more answers
Help please, I don't understand!!! D:
ch4aika [34]
The answer is 2 hours because from 5 to 7  the temperature was raising <span />
4 0
3 years ago
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What is 204 thousands
max2010maxim [7]
204 thousands equals to 204, 000 as the mathematical value and expression. 

In expanded form 
200, 000 + 4, 000 = 204, 000 

In word form, 
Two hundred and four thousand 
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3 years ago
Hey! pls help i’ll give brainliest
grandymaker [24]

Answer:

landslide

Step-by-step explanation:

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2 years ago
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