Answer:

Step-by-step explanation:
Given


Required
Determine the standard deviation (SD)
The standard deviation of a binomial distribution is calculated as thus:

Substitute values for n and p

Convert to decimals




--- <em>approximated</em>
<em>Hence, the calculated standard deviation is approximately 8.4932</em>
<em>*To solve for a variable, you have to isolate the desired variable onto 1 side</em>
So firstly, subtract 2p on both sides of the equation: 
Next, subtract b on both sides of the equation, and <u>your answer will be
</u>
X^2 - 5x - 24 is the answer
Step-by-step explanation:
True...it was Answer but not in always