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Binomial or Geometric?

Authored by Jordan Weissberg

Mathematics

10th Grade - University

CCSS covered

Used 6+ times

Binomial or Geometric?
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A set of 20 cards consists of 10 purple cards and 10 green cards.  If you randomly pick a card after shuffling them and replace the card each time and wait until you get your first purple, what distribution is it

binomial n = 20 and p=.5
geometric p = .5
neither
normal distribution

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A set of 20 cards consists of 10 purple cards and 10 green cards.  If you pick 7 cards at random without replacement what is the probability that you will get 3 purple cards out of the 7. 

none-not independent
binomial n =7 p=.5
binomial n = 20 p= .5
geometric p = .5

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A set of 20 cards consists of 10 purple cards and 10 green cards.  If you pick 7 cards at random and replace each time you pick, what is the probability you get exactly 3 purple cards.

binomial n = 20 p = .5
binomial n = 7 p= .5
none
geometric p =.5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In order for a random variable x to have a geometric distribution, which of the following must it satisfy

not independent
Succcess or failure
set number of trials
p>.7

Tags

CCSS.HSS.CP.A.2

CCSS.HSS.CP.A.3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In order for a random variable x to have a binomial distribution, which of the following must it satisfy

set number of trials
not independent
n = 20
first success

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following trials is geometric?

the number of text messages until you get one from your mom
the number of text messages that your mom sent
the number of times the phones rings in a day
The number of texts in a row that your mom sent

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

8. An algebra 2 test has 5 multiple choice questions with four choices with one correct answer each. If we just randomly guess on each of the 5 questions, what is the probability that you get at least 1 question correct?

0.2373
0.3955
0.7627
0.6045

Tags

CCSS.HSS.CP.B.7

CCSS.HSS.CP.B.8

CCSS.HSS.CP.B.9

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