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max2010maxim [7]
3 years ago
12

For a given distribution the average is 15.5 and the standard deviation is 1.5. If a sample is taken at random, which value is m

ost likely? 20.2 10.1 16.3 12.9
Mathematics
2 answers:
GrogVix [38]3 years ago
7 0
Given:
average 15.5
standard deviation 1.5

Allowable range: 15.5 + 1.5 = 17 ; 15.5 - 1.5 = 14

The sample must be between 14 and 17 to still be within the standard deviation. Among the choices, only 16.3 is within the limit.

16.3 is the value most likely to be taken as a sample.
enot [183]3 years ago
7 0

The standard deviation is  the square root of the variance.The variance is  the average squared deviation of each number from its mean.

The given  average 15.5   standard deviation 1.5.

The  range will be in between the sum and difference of the average and standard deviation.= 15.5+1.5= 17 and 15.5-1.5= 14.

The numbers should be  be between 14 and 17 so as to have standard Deviation of 15. Among the given options 16.3 lie between 14 and 17 and hence the correct answer.

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Is the equation conditional, an identity, or a contradiction? y - 11 + 3y = 6y + 4
ipn [44]

Answer:

The equation is a conditional.

y = 7.5

Step-by-step explanation:

y - 11 + 3y = 6y + 4

4y - 11 = 6y + 4

4y - 4y - 11 = 6y - 4y + 4

- 11 = 2y + 4

- 11 - 4 = 2y + 4 - 4

2y = - 15

2y ÷ 2 = - 15 ÷ 2

y = - 7.5

8 0
4 years ago
The graph at the right shows the race between Tristin, the tortoise, and Harlow, the hare. A)Express Tristin’s constant speed.
mafiozo [28]

Answer:

the answer (in my opinion) could be 82 feet per 6.5 minutes

Step-by-step explanation:

(id like to tell you the rest but i can't cause then it would be plagiarism. hope you understand)

5 0
3 years ago
find three consecutive odd integers such that the sum of the first and the third equals the sum of the second and 13
andreyandreev [35.5K]

Answer: The three odd integers are 11, 13 and 15.

Step-by-step explanation: The first point to note is that the three unknown numbers are consecutive, which means they follow one after the other. Also we are told that the numbers are consecutive “odd integers.” This also means there is a two-digit interval between one number and the next. Hence, if the first number is A, the next number will be A + 2, and the third number will be A + 2 + 2 (that is, A + 4)

At this point we can now derive the following expressions based on the information we have been given, which is;

The sum of the first and third (A + {A + 4} )equals the sum of the second and 13 ({A + 2} + 13). Therefore we can write this out as follows;

A + {A + 4} = {A + 2} + 13

After removing brackets we now have

A + A + 4 = A + 2 + 13

2A + 4 = A + 15

By collecting like terms we now have

2A - A = 15 - 4

(Remember that when a positive value crosses to the other side of the equation it becomes negative, and vice versa)

2A - A = 15 - 4

A = 11

Hence, the three consecutive integers are 11, 13 and 15.

4 0
3 years ago
25 POINTS!!!!!!
ipn [44]
330/11=30
300 like Drake
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3 0
3 years ago
Read 2 more answers
Find the measure of angles JGH. Explain or show your reasoning
boyakko [2]
JGH is equal to 150degrees because angle JGF is 30degrees 180 - 30 = 150
6 0
4 years ago
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