Is 3.14 a Rational, Whole Number, Integer, or Irrational number?
2 answers:
Answer:
It is a rational number.
Step-by-step explanation:
A rational number means it can be expressed in the form
which it clearly can, as 3.14 as a fraction results in
A whole number and an integer mean the same; a number without decimals or fraction. Clearly 3.14 is not a whole number and not an integer as it has decimals.
An irrational number is the opposite of the said above rational number; it cannot be expressed as a fraction.
Hence, 3.14 is a rational number.
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Answer:
z = -2.85
Step-by-step explanation:
Since the number of nuts per can is normally distributed:
Mean number of nuts (μ)= 500 nuts
Standard Deviation (σ)= 20 nuts
X = 443 nuts
For any given number of nuts X, the z-score is given by:
The z-score for this can of nuts with 443 nuts is -2.85.