#5 and #6 A large chain retail store has "scratcher" cards that customers can scratch and win a discountat the register if the customer uses the store's credit card. The following is a table with thediscount that a customer can scratch off and the corresponding probability of that discountbeing awarded. Note: the discount percentage IS NOT related to the probability. Do not usethe discount percentage to calculate any of the probabilities below.Discount Probability10% off0.5015% off0.2520% off0.1530% off0.101. What is the probability a customer gets at least a 20% discount?2. What is the probability that two customers in a row get a 10% discount?3. What is the probability that three consecutive customers get all get 15% discounts?4. What is the probability that none of the first four customers gets over a 20% discount?5. What is the probability that the first person to get a 30% discount is the fifth person inline?6. You the 7th person in line and notice that the 5 people ahead of you have all gotten10% discounts. The person in front of you says, "One of us has to get better than 10%off, now"! Do you think someone is due to get a better discount now that 5 people didnot?

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A large chain retail store has "scratcher" cards that customers can scratch and win a disco at the register if the customer uses the store's credit card. The following is a table with discount that a customer can scratch off and the corresponding probability of that discour being awarded. Note: the discount percentage IS NOT related to the probability. Do not the discount percentage to calculate any of the probabilities below. Discount Probability 10% off 0.50 15% off 0.25 20% off 0.15 30% off 0.10 1. What is the probability a customer gets at least a 20% discount?

A large chain retail store has "scratcher" cards that customers can scratch and win a disco at the register if the customer uses the store's credit card. The following is a table with discount that a customer can scratch off and the corresponding probability of that discour being awarded. Note: the discount percentage IS NOT related to the probability. Do not the discount percentage to calculate any of the probabilities below. Discount Probability 10% off 0.50 15% off 0.25 20% off 0.15 30% off 0.10 1. What is the probability a customer gets at least a 20% discount?

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter8: Sequences, Series,and Probability

Section: Chapter Questions

Problem 41CT: On a game show, a contestant is given the digits 3, 4, and 5 to arrange in the proper order to form...

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Concept explainers

Percentage

A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.

Algebraic Expressions

In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.

Numbers

Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.

Subtraction

Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.

Addition

Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.

Topic Video

Question

#5 and #6

A large chain retail store has "scratcher" cards that customers can scratch and win a discount
at the register if the customer uses the store's credit card. The following is a table with the
discount that a customer can scratch off and the corresponding probability of that discount
being awarded. Note: the discount percentage IS NOT related to the probability. Do not use
the discount percentage to calculate any of the probabilities below.
Discount Probability
10% off
0.50
15% off
0.25
20% off
0.15
30% off
0.10
1. What is the probability a customer gets at least a 20% discount?
2. What is the probability that two customers in a row get a 10% discount?
3. What is the probability that three consecutive customers get all get 15% discounts?
4. What is the probability that none of the first four customers gets over a 20% discount?
5. What is the probability that the first person to get a 30% discount is the fifth person in
line?
6. You the 7th person in line and notice that the 5 people ahead of you have all gotten
10% discounts. The person in front of you says, "One of us has to get better than 10%
off, now"! Do you think someone is due to get a better discount now that 5 people did
not?

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