subject

Mathematics, 09.12.2019 17:31 ohgeezy

You have 40 different books (20 math books, 15 history books, and 5 geography books). a. you pick one book at random. what is the probability that the book is a history book? b. you pick two books at random, one at a time. what is the probability that both books are history books? c. you pick two books at random, one at a time. what is the probability that the two books are from different disciplines?

ansver

Answers: 2

Show answers

Another question on Mathematics

question

Mathematics, 21.06.2019 20:00

Find all solutions for 2y - 4x =2 y = 2x + 1 site: socratic.org

Answers: 1

question

Mathematics, 21.06.2019 22:00

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

Answers: 1

question

Mathematics, 21.06.2019 22:20

Atriangle has verticals at b(-3,0), c(2,-1), d(-1,2). which transformation would produce an image with verticals b”(-2,1), c”(3,2), d”(0,-1)?

Answers: 2

question

Mathematics, 22.06.2019 00:00

What is the value of x? enter your answer in the box.

Answers: 2

You know the right answer?

You have 40 different books (20 math books, 15 history books, and 5 geography books). a. you pick on...

Questions

question

Mathematics, 29.06.2019 12:20

79. suppose that the duration of a particular type of criminal trial is known to be normally distributed with a mean of 21 days and a standard deviati...

question

Physics, 29.06.2019 12:20

Which type of satellite has the shortest orbital life?...

question

Physics, 29.06.2019 12:20

Gic as part of tunable band-pass filter. given: r1 = 1.0 kω; r2 = 1.0 kω; r3 = 1.0 kω; r4 = 1.0 mω; r5 = 1.0 kω; r6 = 10 kω; c1 = 1000 μf; c2...

question

Biology, 29.06.2019 12:20

The relevance of the theory of uniformitarianism is that: a. it supports the theory of catastrophism. b. it proves that changes to the earth were cau...

question

Biology, 29.06.2019 12:20

Which is not typical of the limbs and locomotion of the primates in general?...

question

Chemistry, 29.06.2019 12:20

What are the resulting coefficients when you balance the chemical equation for the combustion of ethane, c2h6 ? in this reaction, ethane is burned in...

question

Computers and Technology, 29.06.2019 12:20

Chapter 10. pc #10. ship, cruiseship, and cargoship classes (read instructions carefully) design a ship class that the following members: • a field f...

question

Social Studies, 29.06.2019 12:20

The national rifle association's website conducted a poll of gun owners in america, asking whether the respondents are opposed to gun-control laws. 20...

question

English, 29.06.2019 12:20

How does atticus react to bob ewell’s threat against him?...

question

English, 29.06.2019 12:20

Which statement about the two stories in the people could fly is true? the nonfictional text focuses on the feelings of many people, whereas the fict...

question

History, 29.06.2019 12:20

How did the 1840 world’s anti-slavery convention affect the women’s suffrage movement? women and men participated equally in the convention; this s...

question

English, 29.06.2019 12:20

Read the paragraph from a student’s critical analysis essay. in the declaration of independence, thomas jefferson talks about independence through his...

question

Social Studies, 29.06.2019 12:20

In the looking at diversity feature "culture, gender, and self-disclosure", lexie lopez-mayo shares her observations that her latin friends and family...

question

Spanish, 29.06.2019 12:20

2) tendo como referência os avanços dos estudos fisiológicos e o início da psicologia experimental, assinale a alternativa correta. selecione uma alte...

question

Arts, 29.06.2019 12:20

Enjoying using tools and precise instruments is a key characteristic of the pattern....

question

Biology, 29.06.2019 12:20

From the ninth week through birth, a developing baby is in the period of prenatal development....

question

Mathematics, 29.06.2019 12:20

People end up tossing 12% of what they buy at the grocery store (reader’s digest, march 2009). assume this is the true population proportion and that...

question

Mathematics, 29.06.2019 12:20

The area of the triangle is 3ft2. the height of the triangle is 2ft and the base of the triangle is ft...

question

Mathematics, 29.06.2019 12:20

You are a custom dressmaker and you are making 4 dresses. for each dress you need to cut 2 skirt panels. each panel measure's 36 inches by 48 inches,...

question

English, 29.06.2019 12:20

Proofread the following extract and correct any errors in verb tenses. correct the two errors in these paragraph: for years, go was considered the las...

More questions: Mathematics Another questions

Questions on the website: 13722360