Answer:
Step-by-step explanation:
P(a or b) = P(a) + P(b) - P(a and b)
0.88 = 0.70 + 0.60 - P(a and b)
P(a and b) = 1.30 - 0.88 = 0.42.
So the events a and b are not mutually exclusive.
Answer:
0.0049
Step-by-step explanation:
<span>We know that
there is no universal acceptance meaning of a percentile. When someone told you
that you are in the 80th percentile, the meaning of that is you
have achieved the lowest score that is greater than 80 percent of the score. It is calculated by using the formula <span>R = P/100 x (N + 1)</span></span>
Answer:
=37
_
3
Step-by-step explanation:
<span>At simple interest:
10% = 5,000, 000 x 10/100 = 5,000,000 x (1/10) =$500,000
spread over 8 years = 8 x $62,500
monthly interest payment = $62,500/12=$5208.33
Smart decision: has to at least break-even, if not generate more than the total interest repayment. </span>