Answered: true or false 1. Determine if the…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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2) scrooge.py Scrooge McDuck is letting you into his vault full of pennies, nickels, dimes and quarters. He will let you play the following game: you can pick 8 coins at random, and if they sum to at least a dollar, you win, and can keep your money! But if you lose, you don't get to keep the money, AND have to pay Scrooge a dollar. (Each coin you pick is equally likely to be a penny, nickel, dime, or quarter.) Your job: using a simulation, estimate 1. the probability that you win (meaning your coins sum to more than a dollar), and 2. if you play this game over and over, the average amount you will win (where the amount you win in a game could be negative). Here is a bit more direction: you should simulate 100,000 plays of this game. Each simulated play should involve picking 8 different random numbers - each one should be .01, .05, .10, or .25, with each value equally likely - which represent the 8 coins being chosen; these should be summed each time. As you proceed through these…
Can you help me how to slove the program by C++, please ? The game of Pig The game of Pig is a dice game with simple rules: Two players race to reach 100 points. Each turn, a player repeatedly rolls a die until either a 1 ("pig") is rolled or the player holds and scores the sum of the rolls (i.e. the turn total). At any time during a player's turn, the player is faced with two decisions: roll - if the player rolls 1: the player scores nothing and it becomes the opponents turn. 2 - 6: the number is added to the player's turn total and the player's turn continues. hold - The turn total is added to the player's score and it becomes the opponent's turn. This game is a game of probability. Players can use their knowledge of probabilities to make an educated game decision. Assignment specifications Hold-at-20 means that the player will choose to roll continually roll a die until they reach 20 or more or until they are forced to quit because they rolled a pig. For this assignment, you…
2. Express the following Boolean expressions in simpler form; that is, use fewer operators. x is an inE (a) !(x == 2)

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true or false 1. Determine if the expression: ! (!(a>b) || ( a==c) || ( a>=b ) ) is True or False. Given the value of a is 2, b is 10 and c is -5. 2. Determine if the expression: ! (!(a>b) || ( a==c) || ( a>=b ) ) is True or False. Given the value of a is 2, b is 10 and c is -5.