Question

2.55. Of the customers at a gas station, 70% use regular gas, and 30% use diesel. Of the customers who use regular gas, 60% will fill the tank completely, and of those who use diesel, 80% will fill the tank completely. a) What percent of all customers will fill the tank completely? b) If a customer has filled up completely, what is the probability it was a customer buying diesel?

          2.55.
Of the customers at a gas station, 70% use regular gas, and 30% use diesel. Of the
customers who use regular gas, 60% will fill the tank completely, and of those who use
diesel, 80% will fill the tank completely.
a) What percent of all customers will fill the tank completely?
b) If a customer has filled up completely, what is the probability it was a customer
buying diesel?

2.55.
Of the customers at a gas station, 70% use regular gas, and 30% use diesel. Of the
customers who use regular gas, 60% will fill the tank completely, and of those who use
diesel, 80% will fill the tank completely.
a) What percent of all customers will fill the tank completely?
b) If a customer has filled up completely, what is the probability it was a customer
buying diesel?

Added by Margarita K.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Mahajan A

02/16/2022

Step 1

- Percentage of customers using regular gas: 70% - Percentage of customers using regular gas and filling the tank completely: 60% - Therefore, the percentage of customers using regular gas and filling the tank completely is 70% * 60% = 42% Show more…

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