Answer: The required probability is 0.32.
Step-by-step explanation:
Since we have given that
Probability of winning team A over B = 0.7
Probability of losing team A over B = 0.3
Number of matches = 7"
So, using the "Binomial distribution" :
We get that

Hence, the required probability is 0.32.
Answer:
620
Step-by-step explanation:
55800/90
Answer:
see attached
Step-by-step explanation:
The graph is a series of horizontal lines. A solid dot goes wherever there is an "or equal to" symbol in the inequality. An open dot goes where the point is not included in the function definition (but nearby points are).
ANSWER
It would take 45 good years
<u>EXPLANATION</u>
We calculate simple interest using the formula,

From the question,
dollars
%
and
dollars
We substitute into the above formula






Therefore it would take 45 years.