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Julian Picks Winning and Losing Stocks by Tossing a Coin

question 67

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Julian picks winning and losing stocks by tossing a coin (heads means winner, tails means loser) .To test his 'system', his friend gives him a list of 20 stocks, half of which doubled in value over the past 3 years (winners) and half of which lost half their value over the past 3 years (losers) .How likely is it that Julian properly classifies at least 60% of the stocks on the list?


Definitions:

Two-Person Single Career

A spouse participates in the other’s career behind the scenes without pay or direct recognition.

Division of Labor

The allocation of different tasks, roles, or responsibilities among members of a group or society, often based on factors like expertise or gender.

Personal Assistant

An individual employed to aid with daily administrative or personal tasks for another person, often within a professional or personal setting.

Two-Income Parents

Households where both parents are earners, contributing financially to the family's income.

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