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LHOP - The Pride of Walnut Grove The concluding six minutes of The Pride of Walnut Grove--a terrific episode of Little House on the Prairie. Here's the plot: Mary does so well on a math exam that she qualifies to enter the state mathematics contest in Minneapolis. The Ingalls family has just $2 to their name, so it looks like Mary's trip to the big city is off. However, the school board votes to foot the bill for Mary and Caroline to make the trip. Since the town is paying her expenses, Mary feels especially pressured to win. This scene opens with another girl named Mary finishing first and Mary Ingalls placing a very respectable second--but the latter feels she's let Walnut Grove down by being runner-up.
Tags: LHOP  Pride  of  Walnut  Grove 
Added: 21st December 2012
Views: 1513
Rating:
Posted By: Lava1964
The Monty Hall Problem In a 1990 issue of Parade Magazine, Marilyn vos Savant examined a question that was first posed to mathematicians in a statisticians' publication back in 1975. It was based on a situation that frequently came up on the TV game show Let's Make a Deal--thus it was dubbed the Monty Hall Problem in honor of the show's longtime host. Here's the situation: You are a contestant on Let's Make a Deal. You have to choose one of three doors numbered 1, 2, and 3. Behind one of the doors is a fabulous prize (a new car). Behind the other two doors are worthless prizes (a goat). Let's suppose you choose Door #1. Monty--who knows which door conceals the car--then opens Door #3 to reveal a goat. He asks you, "Do you want to change your choice of door to Door #2 or do you want to stick with Door #1?" One would think that either door is a 50:50 proposition--but that would be wrong. According to mathematicians, you have to consider the initial odds. By choosing Door #1 you had a 1/3 chance of picking the car and a 2/3 chance of picking a goat. Doors #2 and #3 offer a combined 2/3 chance of concealing the car. The fact that Door #3 is revealed does not change the original odds. It seems counterintuitive, but the math experts say you are better to make the switch to Door #2 as it will conceal the car 2/3 of the time.
Tags: logic  stats  mathematics  probability  Monty  Hall  Problem 
Added: 14th July 2015
Views: 1375
Rating:
Posted By: Lava1964

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