How many flights would you expect to be late

Assignment Help Basic Statistics
Reference no: EM131936218

1. A Department of Transportation report about air travel found that nationwide, 76% of all flights are on time. Base the following questions on 125 randomly selected flights. You may assume the only outcomes are that a flight is either late or is on time. (For all probabilities round to tenth of a percent)

a) How many flights would you expect to be late?

b) Calculate the standard deviation? (round to hundredths)

c) What is the probability you will have exactly 80 flights on time?

d) What is the probability you will have 20 or

Reference no: EM131936218

Questions Cloud

Investment that requires the firm to issue new equity : ABC Industries is considering an investment that requires the firm to issue new equity. The project will cost $100, but will add $120 to the firm’s value.
Find the value of the test statistic : Fewer than 94?% of adults have a cell phone. In a reputable poll of 1165 ?adults, 87% said that they have a cell phone. Find the value of the test statistic.
Discuss the factors in context of national transformation : Discuss these factors in the context of the national transformation program. Are their additional goals that you would suggest as an initiative in Kingdom?
List what might be done to provide fault tolerance : Search for information on system and equipment failure on your favourite search engine.
How many flights would you expect to be late : A Department of Transportation report about air travel found that nationwide, 76% of all flights are on time. Base the following questions
How food and drug administration effects consumers : The Food and Drug Administration (FDA) ensures that food, cosmetics, drugs, and medical devices are safe and effective. It also ensures that these products.
What is value of the put option associated with risky debt : What is the value of the put option associated with the risky debt in Scenario A?
Identification of spend types in your purchasing : Identification of spend types in your purchasing. Identify suppliers with capabilities for global business.
What is the meaning of contracts : What is the meaning of Contracts not to be performed within 1 year - What is an example of a contract not to be performed within 1 year that could arise

Reviews

Write a Review

Basic Statistics Questions & Answers

  Profit- maximizing price and output levels

It's demand curve for the product is expressed as Q= 5000- 25P where Q is the number of vacuum cleaners per year and P is in dollars.

  Show the correlation coefficient and regression equation

Scatter plot, Correlation coefficient and Regression equation - Do a complete regression analysis by performing the steps below

  Review problem related to the inactive activities

A psychologist believed that as children get older, they engage in more "inactive activities" such as playing computer games, watching TV, and surfing online.

  A simple random sample of 1862 births of chinese babies

hypothesis testing show all steps. null and alternate hypothesis diagram critical value test statistic reject or do not

  What is the probability that it is obtuse

From the class of all triangles one is selected at random. What is the probability that it is obtuse?

  Explain traditional method and web-based self-paced method

Different methods - a traditional method, and a web-based self-paced method. Can he conclude, at α = .05, that the test scores in the web-based self-paced method are lower?

  What effect will have on the standard error of the mean

What is the probability that a random sample of 49 different one-hour shopping periods will yield a sample mean between 441 and 446 shoppers and what effect will this have on the standard error of the mean?

  Invest money in the stock market or in gold

Based on the expected return, would you rather invest your money in the stock market or in gold? Why?

  Why the test would not be appropriate for specified data

Revealing information. 886 randomly sampled teens were asked which of several personal items of information they thought it okay to share with someone.

  According to the us bureau of labor statistics 75 of the

question according to the u.s. bureau of labor statistics 75 of the women 25 through 49 of age participate in the

  Details about binomial distribution

Robert Smith of the "Merrill Lynch Pierce Fenner & Smith" families is engaged in full-time fundraising. He has been quite successful at this because he brings a very structured approach to the process:

  Is lack of sleep causing traffic fatalities a study

is lack of sleep causing traffic fatalities? a study conducted under the auspices of the national highway traffic

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!

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