Reference no: EM13954358
1. Assume that two marbles are drawn without replacement from a box with 1 blue, 3 white, 2 green, and 2 red marbles. Find the probability of the indicated result.
The second marble is blue, given that the first marble is blue.
a. 1/28
b. 0
c. 1/7
d. 1/8
2. Find the probability.
In a certain city, 14% of the people are business executives, and 16% of the business executives drive Cadillacs. Assuming independent events, what is the probability of choosing a business executive who drives a Cadillac? Round the answer to the nearest hundredth.
a. .14
b. .02
c. .22
d. .16
3. Evaluate the expression: 5!
a. 115
b. 125
c. 24
d. 120
4. Use the multiplication principle to solve the problem.
License plates are made using 3 letters followed by 2 digits. How many plates can be made if repetition of letters and digits is allowed?
a. 1,757,600
b. 11,881,376
c. 175,760
d. 100,000
5. Solve the problem.
If the police have 8 suspects, how many different ways can they select 5 for a lineup?
a. 40 ways
b. 56 ways
c. 336 ways
d. 6720 ways
6. Solve the problem.
A class has 10 boys and 12 girls. In how many ways can a committee of four be selected if the committee can have at most two girls?
a. 4620 ways
b. 4410 ways
c. 5170 ways
d. 5665 ways
7. A bag contains 6 cherry, 3 orange, and 2 lemon candies. You reach in and take 3 pieces of candy at random. Find the probability.
2 cherry, 1 lemon
a. .1818
b. .3636
c. .1212
d. .7272
8. A die is rolled 20 times and the number of twos that come up is tallied. Find the probability of getting the given result.
Exactly five twos
a. .129
b. .003
c. .921
d. .083
9. Find the requested probability.
A child rolls a 6-sided die 6 times. What is the probability of the child rolling no more than three twos?
a. .3812
b. .9913
c. .9649
d. .6774
10. Find the probability of the event.
A battery company has found that the defective rate of its batteries is .03. Each day, 22 batteries are randomly tested. On Tuesday, 1 is found to be defective.
a. .110
b. .118
c. .348
d. .614
11. Solve the problem.
An insurance company has written 81 policies of $50,000, 480 of $25,000, and 945 of $10,000 on people of age 20. If the probability that a person will die at age 20 is .001, how much can the company expect to pay during the year the policies were written?
a. $25,500
b. $255,000
c. $2550
d. $0
12. Solve the problem.
Suppose you buy 1 ticket for $1 out of a lottery of 1000 tickets where the prize for the one winning ticket is to be $500. What are your expected winnings?
a. -$.50
b. -$.40
c. $0
d. -$1.00
13. Let U = {q, r, s, t, u, v, w, x, y, z}; A = {q,s,u,w,y}; B= {q, s, y, z} and C= {v,w,x,y,z} List the members of the indicated set, using set braces.
(A © B)
a. {q, s, t, u, v, w, x, y}
b. {t, v, x}
c. {r, t, u, v, w, x, z}
d. {s, u, w}
|
Determining the cash receipts in a bookstore
: You were recently hired by a large retail bookstore chain. Your training involved spending a week at the largest and most profitable store in the district. The store manager assigned the head cash- ier to train you on the cash register and closing..
|
|
Discuss the importance of recognizing and implementing
: Discuss the importance of recognizing and implementing different entry strategies and organizational arrangements which result in shared control and oversight through collaborative relationships, as illustrated in the Chapter 9 opening-discussion ..
|
|
Determine economic order quantity in gallons
: The demand for coconut water at SLC WalMart is 600 gallons per week. The setup cost for placing an order to replenish inventory is $25. Orders are delivered by the supplier, who charges SLC Walmart $3/gallon for coconut water. Determine SLC WalMart’s..
|
|
Analysis of data modeling and database design
: Analysis of Data Modeling and Database Design -As part of this exercise, you have been approached to investigate the possible data model designs for a new MIS (Management Information System) and produce a written report
|
|
Find the probability of the indicated result.
: Assume that two marbles are drawn without replacement from a box with 1 blue, 3 white, 2 green, and 2 red marbles. Find the probability of the indicated result.
|
|
Not all companies are viewed as equal
: In the land of free trade, the public does not view all industries as equal. Do you believe that is ethical? Do you believe that some industries are unfairly targeted? Should it be consumers' choice to partake in products that are not healthy for ..
|
|
How such tragedies affect productivity on global economy
: Corporations have been affected by such tragedies as Hurrican Sandy, Japan's large earthquake. Explain how such tragedies affect the productivity on the global economy?
|
|
What is the energy of the emitted photon
: A hydrogen atom initially in the n =3 level emits a photon and ends up in the ground state. What is the energy of the emitted photon? If this atom then absorbs a second photon and returns to the n =3,state what must the energy of this photon be?
|
|
Explain what those core-mandatory skills and behaviors
: When you read books about leadership, or listen to leadership experts, you come away with the idea that there are core, mandatory skills and behaviors essential to leading effectively. Do you believe this statement? If you agree with this statement, ..
|