Fall 2015
Stat 282- HW 2
ID Number ( )
Name:
1. Three married couples have bought six seats in a row for a performance of a musical comedy.
(a) In how many ways can they be seated?
6!= 720
(b) In how many ways can they be seated if each couple is to sit t
Stat 282
Fall 2015
Name . Work sheet (Probability)
Problem 1 Suppose that A and B are two mutually exclusive events where
P (A) = 0:5 and P (B) = 0:4: Find
1. P (A \ B); mutually exclusive events mean P (A \ B) = 0
2. P (A) = 1
P (A) = 1
0:5 = 0:5
3. P (B
- \
Name: g C) Preciass W'ork - Finish Before Class Begins 1
439%
You are not empected to ﬁnish this during the class period. Anything you don’t ﬁnish is good
to practice at home.
1. Deﬁne the following terms in your own words: (1 or 2 sentences)
(a) Prob
Problem 1 Two cards are chosen from a pack of cards without replacement.
Calculate the probabilities:
Both are picture cards.
Both are from red suits.
One card is from a red suit and one card is from a black suit.
Solution:
Problem 2 Two cards are chosen
Problem 1 Suppose a family contains two children of di erent ages, and we
are interested in the gender of these children. Let F denote that a child is female
and M that the child is male and let a pair such as F M denote that the older
child is female and
Stat 282
Fall 2015
Name . Work sheet (Probability)
Problem 1 Suppose that A and B are two mutually exclusive events where
P (A) = 0:5 and P (B) = 0:4: Find
1. P (A \ B)
2. P (A)
3. P (B)
4. P (A [ B)
5. P (A [ B)
6. P (A \ B)
Problem 2 Suppose that A and
Name: Preclass Work - Finish Before Class Begins 1
You are not expected to ﬁnish this during the class period. Anything you don’t ﬁnish is good
to practice at home.
1. Please deﬁne the following terms in your own words: (1 or 2 sentences)
(a) Random Varia
Clarkson University
STAT 282
Department of Mathematics
Due Oct, 20
Name .
ID-Homework 3
Q1) Use the following data (first exam scores) from Susan Deans spring pre-calculus class:
33 ;
68 ;
88 ;
a.
42 ;
69 ;
90 ;
49 ;
69 ;
92 ;
49 ;
72 ;
94 ;
53 ;
73 ;
94