A. Read and Understand the given problems. Write the letter that corresponds to your answer an the space provided. _1. How many different 3-digit numbers can be formed from the digits 1,3,4,6,7,8,9 if repetition of digits is not allaweda a) 840 2. If P(9) - 504, what is r? a) 7 b) 720 c) 360 d) 120 b) 6 c) 5 d) 3 3. In how many possible ways can Joseph answer a 10-item matching type quiz if there are also 10 choices and he answers by mere guessing ? a) 3 628 800 b) 40 320 c) 720 d) 10

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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HARNESS SKILL
A. Read and Understand the given problems. Write the letter that corresponds to your
answer on the space provided.
1. How many different 3-digit numbers can be formed from the digits 1,3,4,6,7,8,9 if
repetition of digits is not allowed?
a) 840
2. If P(9s) = 504, what is r?
a) 7
b) 720
c) 360
d) 120
b) 6
c) 5
d) 3
_3. In how many possible ways can Joseph answer a 10-item matching type quiz if
there are also 10 choices and he answers by mere guessing ?
a) 3 628 800
4. In a gathering. each of the guests shook hands with everybody else. If a total of
378 handshakes were made, how many guests were there?
a) 30
5. If a marble is picked randomly from a jar containing 8 red marbles and 7 blue
marbles, in how many possible ways can at least 2 of the marbles picked be red.
a) 1638
ы) 40 320
c) 720
d) 10
b) 28
c) 25
d) 23
b) 1568 c) 1176 d) 1050
Transcribed Image Text:HARNESS SKILL A. Read and Understand the given problems. Write the letter that corresponds to your answer on the space provided. 1. How many different 3-digit numbers can be formed from the digits 1,3,4,6,7,8,9 if repetition of digits is not allowed? a) 840 2. If P(9s) = 504, what is r? a) 7 b) 720 c) 360 d) 120 b) 6 c) 5 d) 3 _3. In how many possible ways can Joseph answer a 10-item matching type quiz if there are also 10 choices and he answers by mere guessing ? a) 3 628 800 4. In a gathering. each of the guests shook hands with everybody else. If a total of 378 handshakes were made, how many guests were there? a) 30 5. If a marble is picked randomly from a jar containing 8 red marbles and 7 blue marbles, in how many possible ways can at least 2 of the marbles picked be red. a) 1638 ы) 40 320 c) 720 d) 10 b) 28 c) 25 d) 23 b) 1568 c) 1176 d) 1050
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