Problem
Comments or Modications
3.1: 2
Display a tree diagram to justify your answer. Note that order is
important. One of the outcomes, for example, is wbb.
No explanation is needed.
Use the counting formula given in class:
#(A)
number of outcomes in A
P
Note that this problem set grade will not be dropped for any reason.
Problem
8.5: 20a
8.5: 20b
9.1: 4a
9.1: 18a
9.1: 18b
9.2: 14a
9.3: 6abc
10.1: 10
Comments or Modications
Counts double
You do not need to repeat computations already done in part (a)
Coun
Problem
8.2: 2abc
8.2: 12
8.2: 20a
8.3: 10a
8.3: 10b
8.4: 2b
8.4: 10
Comments or Modications
Imitate the model solution procedure for this step
Counts double
Counts double
Counts double
Counts double
Each problem that involves a full test of hypotheses co
Compute probabilities using the table, not built-in functions on a calculator. Follow
the procedures used in class that were presented as model solutions.
Problem
5.1:
5.1:
5.2:
5.2:
5.2:
5.3:
5.3:
5.3:
5.3:
5.3:
Comments or Modications
10
Be sure to expl
Problem
4.2:
4.2:
4.2:
4.2:
4.3:
2
4
14
22
2
4.3: 4
4.3: 8
Comments or Modications
Imitate the procedure of class with a table of three columns.
Be sure to explain your reasoning in parts (a) and (b).
If X is a binomial random variable then justify your a
Problem
1.1:
2.2:
2.3:
2.3:
2.4:
2.4:
2.5:
3.2:
3.3:
3.3:
12
16
12
18
24
26
24
20
20
24
Comments or Modications
Denote by B1 the event that bulb 1 burns all night and by B2 the
event that bulb 2 burns all night. Express your answers in terms
of P (B1 B2 )
Problem
Comments or Modications
3.2: 8
Show your work in each part by writing something like
P (E ) = P (e1 ) + P (e2 ) + P (e3 ) = 0.1 + 0.3 = 0.5
3.2:
3.2:
3.2:
3.3:
3.3:
3.3:
10ab
10cd
16
2
4
8
3.3: 14
3.3 28a
3.3 28bc
Since order matters an appropriat
Problem
Comments or Modications
2.2: 20
2.2: 22b
You do not need to copy the table.
Ignore the data given in the problem and instead use the data
described by the ordered stem and leaf diagram in Figure 2.2 at
the beginning of the chapter. For the median,
Note that this problem set grade will not be dropped for any reason.
Problem
10.2: 16
10.2: 20
10.2: 26
10.4: 16
10.4: 20
10.5: 16a
10.5: 16b
10.5: 20
Comments or Modications
You may merely show your values for
x,
x2 ,
and so on without showing your work