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Geo and Binomial practice

Authored by Daniel Caproni

Mathematics

11th - 12th Grade

CCSS covered

Used 7+ times

Geo and Binomial practice
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20 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The American Red Cross says that about 11% of the U.S. population has Type B blood. A blood drive is being held at your school. How many blood donors should the American Red Cross expect to collect from until it gets a donor with Type B blood? 

9.1 donors
8.5 donors
10.3 donors
Cannot be determined.

Tags

CCSS.HSS.MD.A.2

CCSS.HSS.MD.A.3

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The American Red Cross says that about 11% of the U.S. population has Type B blood. A blood drive is being held at your school. What is the probability that the tenth blood donor is the first donor with Type B blood?

approximately 0.00
0.316
0.0385 
0.279

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The American Red Cross says that about 11% of the U.S. population has Type B blood. A blood drive is being held at your school.What is the probability that exactly 2 of the 20 blood donors have Type B blood?

0.316

0.282

0.001

Not here

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The American Red Cross says that about 11% of the U.S. population has Type B blood. A blood drive is being held at your school. What is the probability that at least 2 of the 10 blood donors has Type B blood?

0.088

0.697

0.214

0.303

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A September 2011 Gallup survey suggests that 38% of Americans are planning on voting for Barack Obama in the 2012 presidential election. Among a random sample of 100 people, approximately how many would you expect to vote for Obama? 

38 people
42 people
6 people
Cannot be determined

Tags

CCSS.HSS.MD.A.2

CCSS.HSS.IC.B.4

CCSS.HSS.IC.A.1

CCSS.HSS.MD.B.5

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A test consists of 10 multiple choice questions with five choices for each question. As an experiment, you GUESS on each and every answer without even reading the questions.

What is the probability of getting exactly 6 questions correct on this test?

0.5505%

0.00001%

0.0064%

0.0002%

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which one of these variables is a continuous random variable?

The time it takes a randomly selected student to complete an exam.
The number of tattoos a randomly selected person has.
The number of women taller than 68 inches in a random sample of 5 women. 
The number of correct guesses on a multiple choice test. 

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