How many years would it take Brittney to make $20,000 in interest using a interest investment of $200,000 in principal at 5% ret
1 answer:
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Answer:
0.7569, 0.5729,0.4371
Step-by-step explanation:
Given that the books are of only two types either non dash fiction or fiction.
Also probability of selecting a fiction = 0.87 = p
X - no of books fiction selected is binomial with p = 0.87 and n =2
(since each trial is independent of the other and there are only two trials)
a) the probability that both books are fiction=
b) Here n =4 with same p.
c) Prob atleast one is non dash fiction =
This is not unusual since 0.4371 probability is not nearer to 0 it is almost half.