3. A gas station earns $3.10 in revenue for each gallon of regular gas it sells, $3.40 for each gallon of midgrade gas, and $3.90 for each gallon ofpremium gas. Let X1, X2, and X3 denote the number of gallons of regular, midgrade, and premium gasoline sold in a day. AssumeX1, X2, and X3 have means µ1Then the daily revenue can be expressed as R = 3.10X, + 3.40X2 + 3.90X3.1600, µ2 =400, аnduз= 300, and standard deviations o, =160, o2%3D 90, аnd0350, respectively.Find the mean daily revenue, that is find E(R).Assuming X1, X2, andX3 are independent, find the standard deviation of the daily revenue, oR. Round to two decimal places.Assuming X1, X2, andX3 are independent and normally distributed with the respective means and standard deviations given above, find theprobability that the daily revenue exceeds $7,000.а.b.с.

The mean daily revenue will be: Thus mean daily revenue will be $7490

A gas station earns $3.10 in revenue for each gallon of regular gas it sells, $3.40 for each gallon of midgrade gas, and $3.90 for each gallon of remium gas. Let X1, X2, and X3 denote the number of gallons of regular, midgrade, and premium gasoline sold in a day. Assume 1,X2, and X3have means µ̟ = 1600, µz = 400, andµ3 = 300, and standard deviations o, = 160, ơ2 = 90, and 0z = 50, respectively. hen the daily revenue can be expressed as R = 3.10X, + 3.40X2 + 3.90X3. Find the mean daily revenue, that is find E (R). Assuming X1,X2, andX3 are independent, find the standard deviation of the daily revenue, ơr. Round to two decimal places. Assuming X1,X2, andX3 are independent and normally distributed with the respective means and standard deviations given above, find probability that the daily revenue exceeds $7,000. a. b. с.

A gas station earns $3.10 in revenue for each gallon of regular gas it sells, $3.40 for each gallon of midgrade gas, and $3.90 for each gallon of remium gas. Let X1, X2, and X3 denote the number of gallons of regular, midgrade, and premium gasoline sold in a day. Assume 1,X2, and X3have means µ̟ = 1600, µz = 400, andµ3 = 300, and standard deviations o, = 160, ơ2 = 90, and 0z = 50, respectively. hen the daily revenue can be expressed as R = 3.10X, + 3.40X2 + 3.90X3. Find the mean daily revenue, that is find E (R). Assuming X1,X2, andX3 are independent, find the standard deviation of the daily revenue, ơr. Round to two decimal places. Assuming X1,X2, andX3 are independent and normally distributed with the respective means and standard deviations given above, find probability that the daily revenue exceeds $7,000. a. b. с.

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

3. A gas station earns $3.10 in revenue for each gallon of regular gas it sells, $3.40 for each gallon of midgrade gas, and $3.90 for each gallon of
premium gas. Let X1, X2, and X3 denote the number of gallons of regular, midgrade, and premium gasoline sold in a day. Assume
X1, X2, and X3 have means µ1
Then the daily revenue can be expressed as R = 3.10X, + 3.40X2 + 3.90X3.
1600, µ2 =
400, аnduз
= 300, and standard deviations o, =
160, o2
%3D 90, аnd
03
50, respectively.
Find the mean daily revenue, that is find E(R).
Assuming X1, X2, andX3 are independent, find the standard deviation of the daily revenue, oR. Round to two decimal places.
Assuming X1, X2, andX3 are independent and normally distributed with the respective means and standard deviations given above, find the
probability that the daily revenue exceeds $7,000.
а.
b.
с.

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