Z score=(data value-mean)/standard deviation
z=(90-100)/15=-0.6666666667
<span>Fractions are numbers which can be represented in the form p/q, where p and q are WHOLE NUMBERS and q is not zero
Rational numbers are numbers which can be represented in the form p/q where p and q are INTEGERS and q is not zero
So your saying " all rational numbers are all numbers that can be represented as a fraction." is wrong.......
all fractions are rational numbers but NOT ALL rational numbers are fractions..</span>
Answer: The mean height of women in a country ages 20 29
The mean height of women in a country (ages 20-29) is 63.7 inches.
Answer: 120
<u>Step-by-step explanation:</u>
Since the order of the numbers doesn't matter we can use the formula:
