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likoan [24]
3 years ago
5

True or false: the standard deviation is the square root of the variance.

Mathematics
1 answer:
Vilka [71]3 years ago
6 0
Why not look up "standard deviation" yourself, to be sure?  But yes, the std. dev. is the sqrt of the variance.
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AP STATISTICS
Stels [109]

Based on the random sample of beach lengths taken, the probability of a randomly selected beach having a length of 12 miles is C. 0.

<h3>What is the probability that a beach is 12 miles in length?</h3>

Beach length is considered a continuous variable which takes a numerically positive form because it can have any one of infinite possible values.

As a result, there is no possibility that a beach chosen at random will have a given length of 12 miles which means that the probability is 0.

In conclusion, the probability that a selected beach has a length of 12 miles is 0.

Find out more on continuous variables at brainly.com/question/27761372

#SPJ1

5 0
1 year ago
Determine the rate of change for 3/2x -5/4y = 15
Aleksandr-060686 [28]

Answer:

-6/5

Step-by-step explanation:

3/2x - 5/4y = 15

-5/4y = -3/2x + 15

multiply each side by (-4/5)

(-4/5)(-5/4y) = (-4/5)(-3/2x + 15)

y = -6/5x - 12

rate of change: -6/5

6 0
3 years ago
HELP: Will Award Brainliest! Simplify 17x - 12 = 114 + 3x
mrs_skeptik [129]

Answer:

x=9

Step-by-step explanation:

17x - 12 = 114 + 3x

First  Subtract 3x from both sides

14x - 12 = 114

Add 12 to both sides

14x=126

Divide by GCF (14)

x=9

Hope this helps! Plz award Brainliest : )

5 0
3 years ago
Read 2 more answers
FIRST PERSON TO ANSWER THIS CORRECTLY GETS BRAINLEIST
cupoosta [38]

Answer:

Nine less than twice a number 2x-9

Seven divided by a number 7-x

Ninety-nine plus the difference of eleven and five 99+(11-5)

Four-fifths more than three times. Number 3x+4/5

Step-by-step explanation:

Please mark brainliest

5 0
2 years ago
Read 2 more answers
Which angles in the picture are NOT supplementary?
notka56 [123]
Answer choice should be b!
3 0
2 years ago
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