A discrete variable is a variable which may take only certain discrete values; for example the number of people in a household is a discrete variable which may have the value 1, 2, 3, etc. but cannot have intermediate values such as 1.473 or 3.732.
Choice d) can be represented by a discrete probability distribution, the other choices cannot be so represented.
Answer:
Jeff Bezos
Step-by-step explanation:
He is the amazon founder and CEO, He has a net worth of 193.4 billion and ranks the first richest person on earth today
Answer:
They create supplementary angle pairs.
Step-by-step explanation:
Supplementary angles add up to 180°.
Answer: (x + 1) ( x + 4)
Step-by-step explanation:
Answer:
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Step-by-step explanation:
Given

Required
The standard deviation
First, calculate the expected value E(x)

So, we have:


Next, calculate E(x^2)

So, we have:


The standard deviation is:




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<em> --- approximated</em>