User Account

All Pages

Probability that battery will last between 11 and 15 hours

Assignment Help Basic Statistics
Reference no: EM13852666

Assignment 1:

1. The figure below shows a rooted tree,

756_Find the height.png

1.1. Find the height/level of the tree as shown above?
1.2 How many leaves does the tree have?

2. Mike sells on the average 15 newspapers per week (Monday - Friday). Find the probability that
2.1 In a given week he will sell all the newspapers
2.2 In a given day he will sell five newspapers.
3. Suppose that of 100 computers checked for viruses 30 where infected and 70 where not. If we select 10 computers at random what is the probability that at most 4 of them are infected?

Assignment 2:

1. You become a manager of Pick n Pay store and you are told that customers arrive at the store at an average of 30 per hour. What is the probability that you must wait at least 3 minutes for the first customer?

2. David bought a new phone. After the first 5 hours of use, the average remaining lifetime of the battery is 7 hours. Find the probability that the battery will last between 11 and 15 hours.

3. From the digraph below ,answer each of the following questions

442_Find the height1.png

3.1 Label and find the number of edges, degrees and vertex in the above digraph.
3.2 Find the corresponding matrix of the digraph above.
3.3 Are there any sources or sinks, justify your answer?

Reference no: EM13852666

Questions Cloud

Compare and contrast pop e-mail to web-based e-mail : Compare and contrast POP e-mail to Web-based e-mail systems in terms of control, security, and accessibility.
What are the near-term prospects for the us economy : A friend of yours has just returned from desert island where she was stranded alone since January 2009. Having completed Econ. 104 just prior to arriving on the desert island (and being naturally curious), Is international trade more or less importan..
Combined sources or development of tradition : What is the date for the original writing. Who was the intended audience (province). Identify the purpose and primary themes of the book.
Regression equation where dependent variable is death rate : A friend tells you that you should never be a patient in a teaching hospital because the death rate among patients in teaching hospitals is higher than in other hospitals. Write down a regression equation where the dependent variable is the death rat..
Probability that battery will last between 11 and 15 hours : What is the probability that you must wait at least 3 minutes for the first customer - David bought a new phone. After the first 5 hours of use, the average remaining lifetime of the battery is 7 hours. Find the probability that the battery will..
Prepare a sheet for income statement and cash flow statement : prepare a sheet for income statement and cash flow statement
Which is the greatest commandment in the law : Matthew 22:36-40 states, "Teacher, which is the greatest commandment in the Law?" Jesus replied: "Love the Lord your God with all your heart and with all your soul and with all your mind
Projected economic gains from free trade : "The theory of comparative advantage (and the associated projected economic gains from free trade) is a well-known economic theory, but what happens in the real world is closer to the opposite.
Buyers to offer higher prices or persistent excess supply : Suppose the market for hamburgers is unregulated. That is, hamburger prices are free to adjust based on the forces of supply and demand. If a surplus exists in the hamburger market, then the current price must be ________(higher or lower?) than the e..

Reviews

Write a Review

Basic Statistics Questions & Answers

  Determine the confidence level for each of the following

determine the confidence level for each of the following large-sample one-sided confidence bounds.a upper bound x

  Bell curve-standard deviation-statistical significance

In a research study, what does statistically significant mean? How are decisions made on data based on significance? What do you do with data that is not significantly different?

  Is there any significant difference in grades

Redheads are rumored to have fiery tempers and you think it might affect their grades. Is there any significant difference in grades between blondes, brunettes and redheads?

  Differences between the treatment mean

The manager of Sandy Corporation wants to determine whether or not the type of work schedule for her employees has any effect on their productivity. She has selected 15 production employees at random and then randomly assigned 5 employees to each ..

  Compute the standard error of the proportion

Compute the standard error of the proportion and calculate the z-statistic. What is the probability of obtaining this value of the z-statistic if the null hypothesis is true?

  Question regarding z scores

Heights of Presidents. With a height of 67 in., William McKinley was the shortest president of the past century. The presidents of the past century have a mean height of 71.5 in. and a standard deviation of 2.1 in.

  Key data regarding normal probability

A sample of waterfall heights in Hawaii show that the average height is 261.5 feet with a standard deviation of 13.76 feet.

  Statistics-probability tree

A foreman for a firm admits that on 10% of his shifts he forgets to shut off the machine. This causes the machine to overheat and the probability that a defective mold will be produced during the early morning run increases from 2% to 20%.

  Three period moving average and exponential smoothing

Conduct a 3-period moving average, an exponential smoothing forecasting using an alpha of .25, and a seasonal forecast with 3 seasons.

  T test for independent groups-t test for matched groups

Outline the difference between the t test for independent groups and the t test for matched groups. A researcher computed the F ratio for a four-group experiment.The computed F is 4.86. The degrees of freedom are 3 for the numerator and 16 for the ..

  The probability of getting a defective widget is 10 you

the probability of getting a defective widget is .10. you select five widgets for the national widget championship.a.

  Estimating the install hours for an electronics upgrade

You are estimating the install hours for an electronics upgrade based on the number of components affected. The upgrade for which you are estimating affects 25 components. Given the following equation, select the correct response from each pair.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd