Answer:
babala
Step-by-step explanation:
The probability of being a universal donor is 6% (O-negative-blood type). Suppose that 6 people come to a blood drive.
a) What are the mean and standard deviation of the number of universal donors among the 6 people?
b) What is the probability that there are exactly three universal donors?
You have two totals: total # of bills and total amount of $. Using x as #of 20s, and y as # of 50s, you can use the system
x+y=18
20x+50y=450
Answer:
T = n + 132
Step-by-step explanation:
Initially you have n dollars in your bank account.
Since the question doesn't ask or concern the future or present value of money, after depositing $132 you will totally (T) have:
T = n + 132