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Geometric Distributions

Authored by Anthony Clark

Mathematics

12th Grade

CCSS covered

Geometric Distributions
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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Given 13% of people are left-handed.  What is the probability the first left-handed person will be the sixth person polled?  

.0564

.1116

.0001

.0648

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The McDonald's Monopoly game has a 1 in 4 chance of winning.  What is the probability your first win is on your third attempt?

.1406

.0156

.2500

.0352

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The probability that a salesman will make a sale on any given call is .23.  Find the probability that his first sale will occur on his fourth or fifth call.

.1050

.0809

.1859

.8141

Tags

CCSS.HSF.BF.A.2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If you want to know how many trials you will need before your first success, use the ????? model.

Geometric

Binomial

Normal

Calculator

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The owner of a pet store is trying to decide whether to discontinue selling specialty clothes for pets. She suspects that only 4% of the customers buy specialty clothes for their pets. What is the probability that she does NOT sell a garment until the 7th customer? Assume each customer is independent.

0.033

0.027

0.0313

Not here

Tags

CCSS.HSF.BF.A.2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If we want to calculate the probability of rolling a 6 for the first time on the 6th roll of a die, would we use the geometric or the binomial distribution?

geometric

binomial

7.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

Determine whether the given random variable has a binomial distribution, geometric distribution, or neither.

A state agency wishes to know if cars using the HOV (high-occupancy) lane have three or more occupants.  Let X = the numbers of cars that pass by until you see a car with three or more occupants.

Binomial

Geometric

Neither

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