When is the nearest whole number to 3.2
2 answers:
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To start, we're given the range that x lies in: from -1 to 4. We know from the fact that 
that -1 will be <em /><em>included</em> in that range, so we mark -1 on the number line with a solid circle. We also know from 
that, while x can be any value <em>up to</em> 4, it does not <em>include </em>4. We indicate this by drawing a hollow circle around 4 on the number line. Since x can be <em>any value within this range</em>, we make that fact clear by drawing a bold line between the points -1 and 4 on the number line. I've attached an image of what our final graph would look like.
Answer:
(a)
(b)
<em>(b) is the same as (a)</em>
(c)
(d)
(e)
Step-by-step explanation:
Given
Solving (a): Probability of 3 or fewer CDs
Here, we consider:
This probability is calculated as:
This gives:
Solving (b): Probability of at most 3 CDs
Here, we consider:
This probability is calculated as:
This gives:
<em>(b) is the same as (a)</em>
<em />
Solving (c): Probability of 5 or more CDs
Here, we consider:
This probability is calculated as:
This gives:
Solving (d): Probability of 1 or 2 CDs
Here, we consider:
This probability is calculated as:
This gives:
Solving (e): Probability of more than 2 CDs
Here, we consider:
This probability is calculated as:
This gives: