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Varvara68 [4.7K]
3 years ago
15

Calculate the mean of this data set: 12, 35, 44, 74, 23, 49, 45, 18, 90, 56, 84,

Mathematics
2 answers:
viva [34]3 years ago
6 0

Answer: 0.38

Step-by-step explanation:

The mean is the sum of all the observations divided by the number of observations. It is 44.2 (rounded off to 44) Next is fraction observations that lie between 34-35 (just answered this and it is correct)

Blababa [14]3 years ago
4 0
Well, here is the mean of ur data collected 48.181818...
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kvasek [131]

Answer:

He would be paying 625 extra if he paid monthly.

Step-by-step explanation:

143.75 x 12(5) = 8,625.

6 0
2 years ago
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Melissa bought 2 shirts and 3 skirts and spent between $45 and $60. Each shirt costs the same amount. Each skirt costs the same
sukhopar [10]

Answer:

Least is 7

Most is 12

Step-by-step explanation:

So 2 shirts for 12.

So 24

Take 24 off of both

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21÷3 is 7

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Hope this helps

6 0
3 years ago
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Use technology or a z-score table to answer the question.
FinnZ [79.3K]

Answer:

C

Step-by-step explanation:

First we find the z-score.

z = (x - μ) / σ

z = (520 - 500) / 60

z = 0.33

Using a calculator or z-score table:

P(z < 0.33) = 0.6293

The probability is approximately 63%.  Answer C

6 0
3 years ago
Using all these numbers in order 8, 6, 4 and 2, write an expression that equals 6 // 10 POINTS // GIVING BRANLIEST
Ipatiy [6.2K]

Answer:

<h2>8x6÷4÷2=6</h2>

Step-by-step explanation:


3 0
3 years ago
The average price of a movie ticket in the United States from 1980 to 2000 can be modeled by the expression, 2.75+0.10x, where x
MissTica

Answer:

<h2>$4.7</h2>

Step-by-step explanation:

step one:

Let the cost be y

to solve for the cost of  a movie ticket, we need to solve the expression

y=2.75+0.10x

step two:

given that x is the number of years between 1980-2000

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put x= 20 in the expression for the cost we have

y=2.75+0.10(20)

y=2.7+2

y=$4.7

5 0
3 years ago
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