[GEOMETRY] HOW DO I SOLVE THIS
1 answer:
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Answer:
Step-by-step explanation:
To determine the Z - score, it is calculated as follows:
Then:
It means that there are more than 3 standar deviations below the advertised mileage.
3.5 belongs to Rational number sets mainly and also belongs to Real Numbers.
<u>Step-by-step explanation:</u>
Number Sets are nothing but group of number classified into groups.
They are Natural, Whole, Integers, Rational, Irrational and Real numbers.
Natural number set = {1,2,3...},
Whole number set= {0,1,2,3...},
Integers = { ....-2, -1, 0, 1, 2, ....},
Rational numbers = { Integers, Decimals, Fractions},
Irrational numbers = { non fractional numbers eg: π, etc.}
Real = { Natural, Whole, Integers, Rational, Irrational }.
Any number which is a fraction resulting in a decimal value is Rational Number sets.
3.5 is a decimal number so it can be Rational Number sets also Real Number sets.