Pls help ASAP. Pls do all asked questions. Pls show all work and calculations. a) How many 3-digit positive integers are there with odd digits?b) How many bit (or binary) sequences are there of length six with a 1 as the first digit?c) How many possible (even non-sensical) 4-letter, lowercase English words are there?d) Let X, Y, Z be sets. Calculate |X UYU Z| if |X| = 50, |Y| = 90, |Z| = 71, |X n Y| = 8,|Xn Z| = 9, |Y n Z| = 7, and |XnYn Z| = 3.e) True or False: If 25 oranges are placed into 22 baskets, then at least one basket must contain at least twooranges.

According to the Bartleby guideline we are suppose to answer only one question at a time. Kindly…

Answered: a) How many 3-digit positive integers…

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a) How many 3-digit positive integers are there with odd digits?

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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Question

Pls help ASAP. Pls do all asked questions. Pls show all work and calculations.

a) How many 3-digit positive integers are there with odd digits?
b) How many bit (or binary) sequences are there of length six with a 1 as the first digit?
c) How many possible (even non-sensical) 4-letter, lowercase English words are there?
d) Let X, Y, Z be sets. Calculate |X UYU Z| if |X| = 50, |Y| = 90, |Z| = 71, |X n Y| = 8,
|Xn Z| = 9, |Y n Z| = 7, and |XnYn Z| = 3.
e) True or False: If 25 oranges are placed into 22 baskets, then at least one basket must contain at least two
oranges.

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