STAT TECH IN BUSINESS & ECON AC
STAT TECH IN BUSINESS & ECON AC
18th Edition
ISBN: 9781264731657
Author: Lind
Publisher: MCG
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Chapter 20, Problem 4SR

a.

To determine

Prove that the expected payoff for Texas Electronics for the brother’s set of probabilities is $1,450.

b.

To determine

Prove that the expected payoff for Kayser Chemicals for the cousin’s set of probabilities is $1,700.

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A investor estimates that, in a year’s time, a certain stock has a 30% chance to be worth $125 per share, a 45% chance to be worth $90 per share, and a 25% chance to be worth$60 per share. Determine the expectation of the price per share of the stock in a year’s time.
Sam is offered to purchase the 2-year extended warranty from a retailer to cover the value of his new appliance in case it gets damaged or becomes inoperable for the price of $25. Sam's appliance is worth $1000 and the probability that it will get damaged or becomes inoperable during the length of the extended warranty is estimated to be 3%. Compute the expected profit of the retail company and use it to decide whether Sam should buy the offered extended warranty.
The triple L investment club is considering purchasing a certain stock. After considerable research the club members determine that there is a 50% chance of making $9000, a 20% chance of breaking even, and a 30% chance of losing $6600. Find the expectation of this purchase.
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