Answer:
<h2><u>Solution</u><u> </u><u>:</u><u>-</u></h2>
Mean = 75 + 68 + 75 + 92 + 105/5
Mean = 415/5
Mean = 83
None of option is correct

I'm not sure what the options are as this appears to be a multiple choice question, but this probability is as follows:
33% as a fraction would be:
Given:
The expression is
.
To find:
The position of parentheses inserted in the expression to get the value 19
Step-by-step explanation:
We have,

Now,




There are more ways to apply the parenthesis, but we do not get 19.



And many more possibilities.
Therefore, the expression after inserting the parentheses is
.
Answer:
5/4 as a mixed number = 1