Original post by yoomi
can someone please help me with question 4 (ii)
Thanks
Thanks
Hint: Use a binomial distribution if you wish. Linked to 4i somehow.
(edited 8 years ago)
Original post by SeanFM
Hint: Use a binomial distribution if you wish. Linked to 4i somehow.
Binomial distribution ? How there is no ( n or p ) the answer in the book is 0.343 not sure how to get to this answer
Original post by yoomi
Binomial distribution ? How there is no ( n or p ) the answer in the book is 0.343 not sure how to get to this answer
There is both an n and a p - you can find both somewhere in question 4.
Hint: Where have you seen P(X>=7) before?
Original post by SeanFM
There is both an n and a p - you can find both somewhere in question 4.
Hint: Where have you seen P(X>=7) before?
Hint: Where have you seen P(X>=7) before?
do you mean that p is = to the probability for 4c and so n = 10 ?
Original post by yoomi
do you mean that p is = to the probability for 4c and so n = 10 ?
Almost there
the p in 4c is for when X is ~Po(10), and that p is p(X>=7). (n=1 if you like).Now read the question you need to answer again and figure out how you can use a binomial distribution and what n and p are (p is indeed the p from 4c),
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