A type of chocolate bar does contain a prize voucher with probability p, 0 p
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Question:
A type of chocolate bar does contain a prize voucher with probability p, 0 ≤ p ≤ 1. Whether or not a
bar does contain a prize voucher is independent of other bars. A hungry student buys 8 chocolate bars. Let
X denote the number of bars without prize vouchers that she finds and its probability mass function (pmf)
is given below:
A third student keeps buying chocolate bars until he finds 5 prize vouchers. Let W be the numbers of bars
before getting the 5 prize vouchers.
(i) Write down the pmf of W.
Related Book For
Business Statistics
ISBN: 978-0321925831
3rd edition
Authors: Norean Sharpe, Richard Veaux, Paul Velleman
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