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iragen [17]
3 years ago
8

A study of all the students at a small college showed a mean age of 20.9 and a standard deviation of 2.9 years. These numbers ar

e ____
Mathematics
1 answer:
Ganezh [65]3 years ago
7 0

Answer:

These numbers are - parameters.

Step-by-step explanation:

A study of all the students at a small college showed a mean age of 20.9 and a standard deviation of 2.9 years.

These numbers are - parameters.

These numbers are parameters as they are for all the​ students, and merely not a sample.

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Which expression is equivalent to 3/4x-1/4xy
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Answer:

x(3/4-y/4)

Step-by-step explanation:

3/4x-1/4xy=x(3/4-y/4)

6 0
2 years ago
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Two positive, consecutive, odd integers have a product of 143.
zhannawk [14.2K]

Answer:

<em>The answer is 13</em>

Step-by-step explanation:

Two positive and consecutive old numbers are x and x - 2.

=> x(x - 2) = 143

=> x^2 - 2x - 143 = 0

=> x^2 + 11x - 13x - 143 = 0

=> x(x + 11) - 13(x + 11) = 0

=> (x + 11)(x - 13) = 0

=>  x = -11 (invalid)

or x = 13 (valid), the remaining number is 13 - 2 = 11

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Hope this helps!

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7 0
3 years ago
Please help quickly !
babymother [125]

Answer:

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Step-by-step explanation:

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3 years ago
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How many 'words' can be made from the name ESTABROK with no restrictions
Bumek [7]

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<h3>How to determine the number of ways</h3>

Given the word:

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Then n = 8

p = 6

The formula for permutation without restrictions

P = n! ( n - p + 1)!

P = 8! ( 8 - 6 + 1) !

P = 8! (8 - 7)!

P = 8! (1)!

P = 8 × 7 × 6 × 5 × 4 × 3 × 2 × 1 × 1

P = 40, 320 ways

Thus, the number of ways in which the name 'ESTABROK' can be made with no restrictions is 40, 320 ways.

Learn more about permutation here:

brainly.com/question/4658834

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Answer:

20

Step-by-step explanation:

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