The z- score is the number of standard deviations from the mean value of the reference population.
For example: the z-score of 2 is 2 standard deviations above the mean.
The z -score of a value that is 2.08 standard deviations greater than the mean is 2.08.
Answer:
A
Step-by-step explanation:
I did the test and it is the only one that makes sense
<span>The integral of (x^2 + 6x)dx is 1/3x^3 + 3x^2 + c.
Because this is not an integration with specific bounds, you must include a constant at the end.
In general, to integrate, add 1 to the exponent of x and then whatever number is the exponent of x, divided the number in front of x by that.</span>
The total profit received for all mobile phone manufacturers for all carriers was 1.54 billion
Step-by-step explanation:
Given,
Profit received = 32%
Total profit received = $4.8 billion
Amount of profit received for mobiles = 32% of total profit
Amount received = 
Amount received = 
Amount received = 1.536 billion
Rounding off
Amount received = 1.54 billion
The total profit received for all mobile phone manufacturers for all carriers was 1.54 billion
Keywords: percentage, division
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