Given:
The frequency distribution table.
To find:
The mean average score on a test.
Solution:
The frequency distribution table is
x a xa
y b yb
z c zc
Sum a+b+c xa+yb+zc
Now, the mean average score on the test is
Therefore, the mean average score on the test is 
.
To answer the question above, we have to use the z-score percentile table for the standard normal distribution. It shows:
The 20th percentile = - 0.84
The 40th percentile = - 0.25
The 60th percentile = 0.25
The 80th percentile = 0.84
I hope my answer helped you. Have a nice day!
44 is 16% of 275. 275 times 0.16 is 44
Hello!!
I believe the correct answer to your question is capuchon. These are cone shaped ceremonial hats worn durning Mardi Gras.
Hope I helped with a detailed description. Have a nice night!
~Brooke❤️
