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3 years ago

The mean of 4 scores is 27. If three of the scores are 18, 29, 43, find the sum of the scores.

Mathematics

2 answers:

aliya0001 [1]3 years ago

8 0

Answer:

90 plus what the other number is

Step-by-step explanation:

11111nata11111 [884]3 years ago

6 0

Answer:

the missing number out of the four is 18 so if we add 18+29+43+18 then we get 108

the sum of the scores is 108

Step-by-step explanation:

hope this helps

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Step-by-step explanation:

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3 years ago

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3 years ago

To estimate the mean score μ μ of those who took the Medical College Admission Test on your campus, you will obtain the scores o

Juliette [100K]

Answer: 0.4667

Step-by-step explanation:

According to 68–95–99.7 rule , About 99.7% of all data values lies with in 3 standard deviations from population mean ( $\mu$ ).

Here , margin of error = 3s , where s is standard deviation.

As per given , we have want our sample mean $\overline{x}$ to estimate μ μ with an error of no more than 1.4 point in either direction.

If 99.7% of all samples give an $\overline{x}$ within 1.4 , it means that

$3s=1.4$

Divide boths ides by 3 , we get

$s=0.466666666667\approx0.4667$

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3 years ago

Explain 15 is not a prime factor

MissTica

15 is not a prime factor as it is divided by 1,3,5 and 15.

Additional information:

Prime numbers are those numbers which can only be divided by itself .for instance:1,2,3,5,7 ,11,13 etc.

Composite number s are those numbers which can be also divided by other numbers,For instance: 4,6,8,10 etc

Hope it helps....

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