Mean number with standard deviation

Assignment Help Basic Statistics
Reference no: EM1317586

West south Airline flies the route Los Angeles and Oakland. The mean number of passengers per flight is 160 with a standard deviation of 20. The aircraft used for the route has 200 seats.

(a) What percent of the flights are sold out?

(b) The airline must sell 150 seats to break even on this particular flight. On what percent of the flights does the airline make money?

Reference no: EM1317586

Questions Cloud

Solving the word problem using the properties of similar tri : Solving the word problem using the properties of similar triangles
First part of this theorem allows a problem solver : First part of this theorem allows a problem solver to compute probabilities about sample means regardless of whether a population is normally distributed.
Hypothesis test for single factor of anova : (a) Use the steps of hypothesis testing, (b) figure the effect size for the study; and (c) explain your answers to (a) and (b) to someone who has never had a course in statistics.
Prepare the name of congruent angles : Prepare the name of congruent angles from the given figure - Name every angle that is congruent to (has the same measure as) angle ACD.
Mean number with standard deviation : The mean number of passengers per flight is 160 with a standard deviation of 20. The aircraft used for the route has 200 seats.
Applications of equation : Applications of equation
Evaluate natural log of values by substitution : Convergence and Divergence: find an infinite series of the given absolute function by using the fact give also estimate natural log of values by substitution
Estimate pearson-correlation coefficient : Four young children were monitored closely over a period of several weeks to measure how much they watched violent television programs and their amount of violent behavior toward their playmates.
Equation in single variable : Equation in single variable

Reviews

Write a Review

 

Basic Statistics Questions & Answers

  Mean number of letters

Find out the mean number of letters that will arrive in two days.

  Evaluating true mean delivery time using standard deviation

Evaluate true mean delivery time to within 5 minutes at 90% reliability level?   Suppose that standard deviation for delivery times is 18.2 minutes.

  Percentage of the averages or medians

What percentage of the averages or medians of the sample will be greater than 140 seconds?

  Mean and standard deviation for frequency distribution

Graph the distribution using a histogram. Calculate the mean and standard deviation.

  Determining expected dividend per share

Dividend is expected to grow 7% a year for next 3 years and then at 5% a year after that. Determine the expected dividend per share for each of the next five years?

  What is the expected time until 4th failure

Determine Probability using exponential distribution.The average time between failures of a laser machine is exponentially distributed with the mean of 40,000 hours.

  P-value of the test

The p-value of the test is closest to:

  Find relatively higher cholesterol

A teacher gave a 25 question multiple choice test. After scoring the tests, she computed a mean and standard deviation of the scores. The standard deviation was 0. Based on this information

  Conclusion of evidence using normal distribution

By using significance level a = .05, and suppose a normal distribution what does evidence conclude?

  Recognizing major flaws in survey

It was reported that 20 readers responded and 87% said "no" while 13% said "yes." Recognize 4 major flaws in this survey.

  Standard error for the proportion

Let p represent the proportion of registered voters in the state that would vote for the Republican candidate. The standard error for the proportion of those who phoned in who answered "yes" is

  Sampling design for study

Such things as historical documents, newspaper reports, TV and radio broadcasts, when used in research, represents

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