Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

Find the mean and variance of the given data.

The number of people in a car that crosses a certain bridge is represented by the random variable X, that has a mean value μX = 2.7, and the variance σ2X = 1.2. The toll on the bridge is $3.00 per car plus $ 0.50 per person in the car. The mean and variance of the total amount of money that is collected from a car that crosses the bridge are:

a) Mean = $1.35, variance = $ .30.

b) Mean = $8.60, variance = $ .30.

c) Mean = $8.60, variance = $ .60.

d) Mean = $4.35, variance = $3.30.

e) Mean = $4.35, variance = $ .30.

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M920796

Have any Question? 


Related Questions in Statistics and Probability

What is a critical value how is the critical value

"What is a critical value? How is the critical value determined? Are there differences between the standard normal table and the student t table when trying to determine the critical value? Explain."

Holiday fruit company buys oranges and processes them into

Holiday Fruit Company buys oranges and processes them into gift fruit baskets and fresh juice.  The company grades the fruit it buys on a scale from 1 (lowest quality) to 5 (highest quality).  The following summarizes Ho ...

250 -300 wordsexplain the history behind the black soldier

250 -300 words Explain the history behind the Black Soldier of the Civil War In this forum look beyond the book for information on specific units, soldiers and even the reasons for why Lincoln allowed the African America ...

Net exports are calculated by subtracting imports from

Net Exports are calculated by subtracting Imports from Exports. Assume Exports and Imports are independent of one another.  If mean exports are $25M with a standard deviation of $3.5M and mean imports are $30M with a sta ...

125 wordsexplain the history behind the black soldier of

125 words Explain the history behind the Black Soldier of the Civil War In this forum look beyond the book for information on specific units, soldiers and even the reasons for why Lincoln allowed the African American to ...

What is the difference between simple linear and multiple

What is the difference between simple linear and multiple regressions? Give an example of a situation where linear regression might be useful? Give an example of a situation where multiple regression might be useful?

Discuss the beginnings of the cold war from the position

Discuss the beginnings of the Cold War. From the position of a Soviet ruler, how might you have viewed the situation following WWII? How did the Truman administration attempt to handle it? (Include as many of the followi ...

Throughout the early 1800s the influence of

Throughout the early 1800's the influence of industrialization and the repeated subjugation of Native Indians and slaves caused people to reflect on their role in society and attempt to reform elements of their daily liv ...

1 whats so bad about making a type i error2 how does the

1. What's so bad about making a Type I error? 2. How does the Bonferroni adjustment control for Type I error when many statistical tests are conducted? 3. Why do researchers use ANOVA rather than t-tests to analyze data ...

Using the confidence interval when conducting a two-tailed

Using the confidence interval when conducting a two-tailed test for the population proportion p, we reject the null hypothesis if the hypothesized value for p falls inside the confidence interval.

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro