For this practice, my teacher says the following answers are below. However, I don't know how he got these answers. Please explain.i) ?.??ii) ?.???iii) not independent 16. At a self-service gas station, 40% of the customers pump regular gas, while 60% pump premium gas. Of thosewho pump regular, 30% pay $30 or more. Of those who pump premium, 50% pay $30 or more.(i). What is the probability that the next customer pays $30 or more?(ii). Suppose a customer pays $30 or more. What is the probability that he pumps premium gas?(iii). Are the events A = {customer pays $30 or more} and B = {customer pumps premium gas} independent?Explain.

Here define events and draw tree PG = customer pump premium gas R= customer pump Regular gas T =…

(i). What is the probability that the next customer pays $30 or more? (ii). Suppose a customer pays $30 or more. What is the probability that he pumps premium gas? (iii). Are the events A = {customer pays $30 or more} and B = {customer pumps premium gas} independent? Explain.

(i). What is the probability that the next customer pays $30 or more? (ii). Suppose a customer pays $30 or more. What is the probability that he pumps premium gas? (iii). Are the events A = {customer pays $30 or more} and B = {customer pumps premium gas} independent? Explain.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

For this practice, my teacher says the following answers are below. However, I don't know how he got these answers. Please explain.

i) ?.??

ii) ?.???

iii) not independent

16. At a self-service gas station, 40% of the customers pump regular gas, while 60% pump premium gas. Of those
who pump regular, 30% pay $30 or more. Of those who pump premium, 50% pay $30 or more.
(i). What is the probability that the next customer pays $30 or more?
(ii). Suppose a customer pays $30 or more. What is the probability that he pumps premium gas?
(iii). Are the events A = {customer pays $30 or more} and B = {customer pumps premium gas} independent?
Explain.

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