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Oduvanchick [21]

3 years ago

12

What is the mean absolute deviation of attendance at the 4 middle school dances?

1 answer:

Mice21 [21]3 years ago

4 0

Answer:

Hope this helps you to understand, to do the problem and for future problems!

Step-by-step explanation:

All you have to do is take the numbers, add them, then divide them by how much there are. Once you did that if its a negative you just turn it positive bc its absolute.

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Two unique letters are chosen at random from the alphabet.

ElenaW [278]

A - choosing letter A first

$|\Omega|=P(26,2)=\dfrac{26!}{24!}=25\cdot26\\
|A|=1\cdot25=25\\\\
P(A)=\dfrac{25}{25\cdot26}=\dfrac{1}{26}\approx0.0385$

7 0

3 years ago

Read 2 more answers

A student receives test scores of 62, 83, and 91. The student's final exam score is 88 and homework score is 76. Each test is wo

Alborosie

Answer:

The student's mean score in the class is 80.6

Step-by-step explanation:

we know that

To find out the student's mean score in the class, multiply each score by its worth and adds the numbers

$(62+83+91)0.20+(88)0.25+(76).15=80.6$

therefore

The student's mean score in the class is 80.6

7 0

2 years ago

Number 18 idk what to do help plz and fast

stepan [7]

It is right it is C 454.5

7 0

3 years ago

What is the value of the fourth term in a geometric sequence for which a1=10 and r =0.5

Lena [83]

Answer: 1.25

Step-by-step explanation:

The explicit formula for the sequence is $a_{n}=10(0.5)^{n-1}$

Substituting in n=4,

$a_{4}=10(0.5)^{4-1}=\boxed{1.25}$

4 0

2 years ago

What is the ratio of course to cups in a carton of milk

deff fn [24]

Well, the way I would do this is count the course and write that first, than put the 2 colins and than the carton of milk ratio. I hope this helped!

7 0

3 years ago