1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
lukranit [14]
3 years ago
7

A college library has five copies of a certain text on reserve. Two copies (1 and 2) are first printings, and the other three (3

, 4, and 5) are second printings. A student examines these books in random order, stopping only when a second printing has been selected. One possible outcome is 5, and another is 213.
A) List the outcomes in S.
B) Let A denote the event that exactly one book must be examined. Whatoutcomes are in A?
C) Let B be the event that book 5 is the one selected. What outcomes arein B?
D) Let C be the event that book 1 is not examined. What outcomes are inC?
Mathematics
1 answer:
sleet_krkn [62]3 years ago
6 0

Answer:

B) Outcomes in A = {3, 4, 5} .

C) Outcomes in B = {5, 15, 25, 125, 215} .

D) Outcomes in C = {3, 4, 5, 23, 24, 25} .

Step-by-step explanation:

We are given that a college library has five copies of a certain text on reserve. From which two copies (1 and 2) are of first printings, and the other three (3, 4, and 5) are of second printings.

Also, it is stated that a student will stop examining the books only when a second printing has been selected.

A) The outcomes in S are :

      <u> Number of outcomes</u>                                 <u>Selection of Outcomes</u>

                  1                                                                          3

                  2                                                                         4

                  3                                                                          5

                  4                                                                         13

                  5                                                                         14

                  6                                                                         15

                  7                                                                         23

                  8                                                                         24

                  9                                                                         25

                 10                                                                         123

                 11                                                                          124

                 12                                                                          125

                 13                                                                          213

                 14                                                                           214

                 15                                                                            215

Here outcome 123 means 1st copy of first printing is examined then 2nd copy of first printing is examined and then 3rd copy of second printing is examined and then the student stops.

B) <em>A denote the event that exactly one book must be examined.</em>

 So, the outcomes in A will be outcome number 1, 2 and 3 corresponding to selection 3, 4 and 5 of second printing because in these outcomes only one book is examined.

Hence, outcomes in A = {3, 4, 5} .

C) <em>B be the event that book 5 is the one selected</em>. It means all those outcomes in which book 5 was last examined. So, the outcomes in B will be outcome number 3, 6, 9, 12, 15 corresponding to selection 5, 15, 25, 125, 215

Hence, outcomes in B = {5, 15, 25, 125, 215} .

D) <em>C be the event that book 1 is not examined</em> which is outcome number 1, 2, 3, 7, 8, 9 corresponding to selection 3, 4, 5, 23, 24, 25 .

Hence, outcomes in C = {3, 4, 5, 23, 24, 25} .

You might be interested in
YOU KNOW THAT THE SUM OF THE ANGLES IN A QUADRILATERAL IS 360 DECREES. HOW CAN THIS HELP YOU REMEMBER THAT THE SUM OF THE ANGLES
gtnhenbr [62]

Answer:

that can help because all you need to remember is that the sum of the angles in a triangle is half of the sum of the angles that add up in a quadrilateral.

5 0
2 years ago
Type the integer that makes the following addition sentence true: -5 + _ = -19
brilliants [131]

Answer:

-14

Step-by-step explanation:


6 0
3 years ago
Read 2 more answers
What is Mrs. Gordon's rate from 0 to 2 seconds?<br> Please help me!!!!!
zzz [600]

Answer:did you ever get it?

Step-by-step explanation:

5 0
3 years ago
How many $0.21 pencils can be purchased for $7.00? Show your work.
IgorLugansk [536]
N*(21/100)=(700/100)

n=(700/100)/(21/100)

n=(700/100)*(100/21)

n=700/21

n=33+1/3

So <em><u>thirty three</u></em> $0.21 pencils can be purchased for $7.00.
8 0
3 years ago
Read 2 more answers
Which pair of angles are congruent or supplementary
Fittoniya [83]
Angles 1 and 3 are supplementary
6 0
2 years ago
Other questions:
  • Benjamin solved the equation 3+x over 2=10 and justified each step as shown.
    6·1 answer
  • An electrician disconnected 5 wires of different colors from their respective connections and forgot the order in which they wer
    6·1 answer
  • Bai is conducting a study on learning. When she manipulates an independent variable, it is possible that some other factor, such
    5·1 answer
  • The radius of circle is 6.5 centimetres. Asquare has the same are as this circle. The length of each side of square , in centime
    6·1 answer
  • Help me solve subtracting intergers 5-6​
    13·2 answers
  • Please help me with this problemplssssssssssss
    8·1 answer
  • Which graph below shows the solution set for the inequality b ≥ 5?
    9·1 answer
  • Please help asap! Brainliest to correct
    10·1 answer
  • 8 Select the correct answer. Nancy is planting cucumbers in a small garden. Before planting, Nancy adds a layer of soil to the g
    11·1 answer
  • Bob had 3 buckets with 7 oranges each ; he also had 3 watermelons and 5 bananas. How many fruits did Bod have in total?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!