4 years ago

The mean is defined as the

Mathematics

1 answer:

ivanzaharov [21]4 years ago

3 0

A. average of a data set

The mean is the same as the average.

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How do you solve this ?

TEA [102]

$JK=9x-11\\KL=5x+2\\JL=(9x-11)+(5x+2)=(9x+5x)+(-11+2)=14x-9\\\\JK+KL=JL\\\\\text{substitute}\\\\14x-9=10x+7\ \ \ \ |+9\\\\14x=10x+16\ \ \ \ |-10x\\\\4x=16\ \ \ \ |:4\\\\x=4\\\\JK=9x-11\to JK=9(4)-11=36-11=25$

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Solve v times w squared+ y= x. Solve for w. Please show me how you got the answer!

faltersainse [42]

$▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪$

let's solve for " w "

$vw {}^{2} + y = x$

$vw {}^{2} = x - y$

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Korvikt [17]

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The owner of a local nightclub has recently surveyed a random sample of 300 customers of the club. She would now like to determi

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Answer:

0.0416

Step-by-step explanation:

Given :

Sample size, n = 300

Sample mean, x = 35.5

Population mean, m = 35

Standard deviation, s = 5

The test statistic :

Zstatistic = (x - m) / s/sqrt(n)

Zstatistic = (35.5 - 35) / 5/sqrt(300)

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Using the p value calculator from Zstatistic :

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