Probability
This presentation is the property of its rightful owner.
Sponsored Links
1 / 58

Probability PowerPoint PPT Presentation


  • 61 Views
  • Uploaded on
  • Presentation posted in: General

Probability. Unit Test Review. Question. What is the probability that the total shown on two dice is less than or equal to 6?. Answer. 5/12. Question.

Download Presentation

Probability

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript


Probability

Probability

Unit Test Review


Question

Question

What is the probability that the total shown on two dice is less than or equal to 6?


Answer

Answer

5/12


Question1

Question

15 out of 45 students who went on the Art Trip ordered chicken sandwiches for lunch. If 135 students go on the trip, how many can be expected to order chicken sandwiches for lunch?


Answer1

Answer

45


Question2

Question

A drawer contains 20 black socks and 10 white socks. Two socks are drawn WITHOUT replacement. Find P(black, black).


Answer2

Answer

38/87


Question3

Question

A drawer contains 20 black socks and 10 white socks. Two socks are drawn WITH replacement. Find P(black, black).


Answer3

Answer

4/9


Question4

Question

A drawer contains 20 black socks and 10 white socks. Three socks are drawn WITHOUT replacement. Find P(black, white, black).


Answer4

Answer

95/609


Question5

Question

A researcher conducted a survey of

324 high school students and found

that 54 of them were enrolled in

advanced chemistry. What is the

probability that a randomly selected

student is enrolled in advanced

chemistry?


Answer5

Answer

54/324 =1/6


Question6

Question

There is a jar with 10 nickels and

5 dimes. If two coins are chosen at

random, what is the probability of

choosing first a nickel and then a

dime?


Answer6

Answer

5/21


Question7

Question

Six people called a radio talk show:

two lawyers, two doctors, a

veterinarian, and an accountant.

What is the probability that a randomly

selected caller is not a doctor?


Answer7

Answer

2/3


Question8

Question

A fair die is rolled twice. What is the

probability of getting 4 the first time

but not the second?


Answer8

Answer

5/36


Question9

Question

Karleen made a snack mix by

mixing 30 raisins, 45 peanuts, and

15 marshmallows. If she randomly

selects two pieces from her snack

mix, what is the probability they will

both be peanuts?


Answer9

Answer

22/89


Question10

Question

An experiment consists of rolling two fair dice. Find P(total shown 5).


Answer10

Answer

1/9


Question11

Question

Determine if the events are dependent or independent.

rolling a die and then flipping a coin


Answer11

Answer

independent


Question12

Question

A box contains 3 red marbles, 6 blue marbles, and 5 green marbles.

Find P(red then green) if a marble is selected, then a second marble is selected without replacing the first marble.


Answer12

Answer

15/182


Question13

Question

A box contains 3 red marbles, 6 blue marbles, and 5 green marbles.

Find P(red then green) if a marble is selected and replaced, then a second marble is selected.


Answer13

Answer

15/196


Question14

Question

During the last ski season, Chad recorded the number of runs he took on Beginner, Intermediate, and Advanced slopes. What is the probability that Chad skis a Beginner slope on his next run?

Beginner 18

Intermediate 89

Advanced 225


Answer14

Answer

9/166


Question15

Question

There are 5 choices for a multiple choice question. What is the probability that you will guess the correct answer?


Answer15

Answer

1/5


Probability

Tyler has made 65 out of his last 150 free throw attempts. What is the probability that he will make his next free throw?


Probability

65/150 = 13/30


Probability

A game spinner was spun 500 times. It was found that A was spun 170 times, B was spun 244 times, and C was spun 86 times. What is the probability of the spinner landing on A?


Probability

170/500 = 17/50


Probability

An experiment consists of rolling 2 fair dice. What is the probability of rolling a sum = 10?


Probability

3/36 = 1/12


Probability

An experiment consists of rolling 2 fair dice. What is the probability of rolling a sum less than 5?


Probability

6/36 = 1/6


Question16

Question

A password contains a letter followed by 3 digits. What is the probability that the password does not contain an S or a W?


Answer16

Answer

12/13


Probability

A password consists of 2 letters followed by 3 digits. Find the number of possible passwords.


Probability

676,000


Probability

An employee identification number consists of 3 letters followed by 2 digits. Find the probability that the id number does not contain the number 8.


Probability

1,423,656/1,757,600 = 81/100


Probability

An interior-decorating catalog offers a chair in a dark, light, or oak finish, with a choice of a tan, black, or cream seat cover, and in regular or tall height. How many different chairs are available?


Probability

18 different chairs


Probability

You flip a coin 3 times.

Find P(H,H,H).


Probability

1/8


Probability

You flip a coin 3 times.

Find P(H,H,T).


Probability

1/8


Probability

You spin a spinner with 3 even sections (one red, one blue, and one yellow). You then roll a regular number cube. Find P(red, prime).


Probability

3/18 = 1/6


Probability

You spin a spinner with 3 even sections (one red, one blue, and one yellow). You then roll a regular number cube. Find P(red or blue, 5).


Probability

2/18 = 1/9


  • Login