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miv72 [106K]
3 years ago
10

HELPPPP PLEASE!!!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
gulaghasi [49]3 years ago
7 0

Answer:

Median: 5.5

Mean: 8.5

Step-by-step explanation:

Median:

3 3 8 20

3 and 8 are the two middle numbers since there can't be one.

3+8=11/2=5.5

Mean:

Add all the numbers together, and then divide by the amount of numbers there are.

3+3+8+20=34/4=8.5

Hope this helps! :) Plz mark as brainliest!!

garik1379 [7]3 years ago
6 0

Answer:

Median: 5.5 Mean: 8.5

Step-by-step explanation:

3+8+3+20=34

34/4= 8.5

3, 3, 8, 20 ((3+8)/2)

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In a survey, 672 adults were asked what television programs they had recently watched. The following information was obtained: 2
OlgaM077 [116]

Answer:

a. the Big Game = 263

b. the Big Game but not the New Movie = 159

c. at least one program = 446

d. both programs = 104.

Step-by-step explanation:

Given that:

Total adults asked about TV programs, n(U) = 672

Total adults who watch New Movie, n(A) = 287

Let n(B) be the number of adults who watch Big Game.

Total adults who watch New Movie but not Big Game, n(A-B) = 183

As per formula:

n(A-B) = n(A) - n(A \cap B)

Where n(A \cap B) is the number of adults who watch New Movie and Big Game both.

n(A \cap B) = n(A) - n(A-B)

n(A \cap B) = 287 - 183 = 104

<u>Formula:</u>

n(U) = n(A \cup B) + n(A \cup B)'

n(A \cup B) is the number of adults who watch at least one program.

n(A \cup B)' is the number of adults who do not watch any program.

Given that n(A \cup B)' = 226

Putting values in the above formula:

672 = n(A \cup B) + 226

n(A \cup B) = 672 - 226 = 446

<u>Formula:</u>

n(A \cup B) = n(A) + n(B) - n(A \cap B)

446 = 287 + n(B) - 104

n(B) = 446 + 104 - 287

n(B) = 263

The number of adults who watch the Big Game but not the New Movie, <em>n(B - A)</em>

<u>Formula:</u>

n(B - A) = n(B) - n(A \cap B)

n(B - A) = 263 - 104 = 159

So, the number of surveyed adults who watch:

a. the Big Game, n(A) = 263

b. the Big Game but not the New Movie, n(B - A) = 159

c. at least one program, n(A \cup B) = 446

d. both programs, n(A \cap B) = 104.

6 0
3 years ago
Which quadratic inequality does the graph below represent?
iVinArrow [24]

Answer:

a) y = x**2 - 3

Step-by-step explanation:

Let x = 0, then y = -3 or anything above (the unshaded area), so "a" fits.

5 0
3 years ago
What is the measure of the vertex angle of an isosceles triangle if one of its base angles measures 42°?
blsea [12.9K]

Answer:

96 degrees

Step-by-step explanation:

you have two angles that each measure 42 degrees, giving you 84 degrees combined

there are 180 degrees in a triangle, therefore the vertex angle is equal to 180 minus 84, or 96 degrees

check:

42 + 42 + 96 = 180

180 = 180

3 0
3 years ago
What is the answer for (-6)(-3) can you you please walk me through it then answer. I think it’s 2 -2 -18 or 18 please help me!
marin [14]
Yes the answer is 18
5 0
3 years ago
Read 2 more answers
16.437 rounded to the nearest tenth is 164.
Alex
False.
You are rounding to the nearest tenth place. With your decimal value, 3 < 5, so therefore you cannot round the 4 up to 5. Given this, your correct decimal rounded to the nearest tenth = 16.400
7 0
3 years ago
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