Answer:
8.25 is the answer.
Step-by-step explanation:
Hope this helps!
Answer:
B
Step-by-step explanation:
A check is an I.O.U. or a promissory note.
Answer: 0.2195
Step-by-step explanation:
Binomial distribution formula :-
, where P(x) is the probability of x successes in the n independent trials of the experiment and p is the probability of success.
Given : The probability of that the general population has blood type A = 
Sample size : n=6
Now, the probability that exactly three of them have blood type A is given by :-

Therefore, the probability that exactly three of them have blood type A = 0.2195
<span>The correct answer is x = -3</span>