The empirical rule tells you 68% of normally-distributed observations are within 1 standard deviation of the mean.
_____
This is a number you may want to memorize, along with the numbers for 2 (95%) and 3 (99.7%) standard deviations.
Answer:
See Explanation
Step-by-step explanation:
Given


Required
Determine the true statement about b
The question is incomplete as options are not given. However, a general explanation is as follows:
Rewrite 

When a = 0

When a = 1

This means that:
For 
Then 
<em>This means that: b is a number between 0 and 8</em>
Rewrite using the formula for the standard form.
3xy^3 + 9x^2y - 2y^2 - 4x
Please give me the Brainiest
Answer:
C and D
Step-by-step explanation:
Plug X in and see which equations/expressions are true