The standard deviation is 19.91.
To find the standard deviation is a binomial distribution, you have to take the square root of the total number multiplied by the percent and its compliment.
Our expression will be:

This will evaluate to about 19.91.
Now she has a mixture with 4 21/40 cups of ingredients.
The
answer is 61 one because 64-3
Answer:
96 (dollars)
Step-by-step explanation:
D represents the amount of money Andre has in his bank after w weeks. This formula is written as D(w) = 3w + 60 (dollars).
After 12 weeks, Andre will have accumulated D(12) = 3(12) + 60 dollars, or
36 + 60 dollars, or 96 dollars. This is answer choice B.