If a penny is tossed four times and comes up heads all four times, the probability of heads on the fifth trial is
a. zero
b. 1/32
c. 0.5
d. larger than the probability of trials
0.5
An experiment consists of four outcomes with P(E1)=0.2, P(E2)=0.3, and P(E3)=0.4. The probability of outcome E4...
QMB 3200 FINAL EXAM
STUDY GUIDE
If a penny is tossed four times and comes up heads all four
times, the probability of heads on the fifth trial is
a. zero
b. 1/32
c. 0.5
d. larger than the probability of trials
0.5
An experiment consists of four outcomes with P(E1)=0.2,
P(E2)=0.3, and P(E3)=0.4. The probability of outcome E4 is
a. 0.100
b. 0.500
c. 0.900
d. 0.024
0.100
If A and B are mutually exclusive events with P(A)=0.3 and
P(B)=0.5, then P(A∩ B)=
a. 0.15
b. 0.00
c. 0.20
d. 0.30
,0.00
A method of assigning probabilities that assumes the
experimental outcomes are equally likely is referred to as the
a. subjective method
b. classical method
c. objective method
d. experimental method
Classical method
One of the basic requirements of probability is
if there are k experiemental outcomes, the P(E1)+P(E2)+...
+P(EK)=1
When the assumption of equally likely outcomes is used to
assign probability values, the method used to assign
probabilities is referred to as the
a. relative frequency method
b. probability method
c. classical method
d. subjective method
Classical method
If P(A)=0.38, P(B)=0.83, and P(A∩ B)=0.57; then P( A U B)=
a. 1.78
b. 0.78
c. 0.64
d. 1.21
,0.64
If P(A)=0.62, P(B)=0.47 and P(A U B)=.88; then P(A ∩ B)=
a. 0.6700
b. 0.2100
c. 1.9700
d. 0.2914
0.2100
If A and B are independent events with P(A)=0.2 and P(B)=0.6,
then P(A U B)=
a. 0.60
b. 0.68
c. 0.62
d. 0.12
0.68
Of five letters (A, B, C, D, and E), two letters are to be selected
at random. How many possible selections are there?
a. 20
b. 10
c. 5!
d. 7
10
Which of the following statements is (are) always true?
a. P(A)+P(B)=1
b. P(A)=1-P(A^c)
, c. -1 ≤ P(Ei) ≤ 1
d. both P(A)=1-P(A^c) and P(A)+P(B)=1
P(A)=1-P(A^c)
In the set of all past due accounts, let the event A mean the
account is between 31 and 60 days past due and the event B
mean the account is that of a new customer. The intersection
of A and B is
a. all new customers
b. all accounts fewer than 31 or more than 60 days past due
c. all new customers whose accounts are between 31 and 60
days past due
d. all accounts from new customers and all accounts that are
from 31 to 60 days past due
c. all new customers whose accounts are between 31 and 60
days past due
If A and B are independent events with P(A)=.1 and P(B)=.4,
then
a. P(A∩B)=0
b. P(A U B )=.5
c. P(A ∩ B)=.04
d. P(A ∩ B)=.25
P(A ∩ B)=.04
A list of all possible outcomes of an experiment is called
a. the experimental outcome
b. the likelihood set
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller AcademicSuperStore. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.49. You're not tied to anything after your purchase.
