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Leto [7]
2 years ago
11

For which equations below is x = -3 a possible solution? Select three options.

Mathematics
2 answers:
USPshnik [31]2 years ago
7 0

Answer:

Only -lxl = -3 works

Step-by-step explanation:

The other options don't work because they all have numbers inside of the absolute value brackets.  You would always get a positive end value when the absolute value equation is applied.

The last one is the only one that works because the negative is outside of the absolute value bracket.  Therefore, if you plug in 3 for x, it will give you -3.

yaroslaw [1]2 years ago
4 0

Answer:

-|x|=-3

|x|=-3

|-x|=-3

Step-by-step explanation:

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3 years ago
Describe the sampling of p hat. Assume that the size of the population is 25000 n= 300 p=0.7
katrin [286]

The mean of the given sample data is 210, and the standard deviation is 7.937.

Given size 'n' = 300

The population proportion 'p' = 0.7

Let 'x' be the random variable of the binomial distribution

a)  mean of the binomial distribution  = n p = 300 × 0.7

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Learn more about the standard deviation here:

brainly.com/question/16555520

#SPJ1

The question seems to be incomplete the correct question would be:

describe the sampling of p hat. Assume that the size of the population is 25000 n= 300 p=0.7 a) Determine the mean of the sampling distributionb) Dtermine the standard deviation of the sampling distribution

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