Estimate the average number of passengers per flight

Assignment Help Basic Statistics
Reference no: EM132404119

The data below represents the number of passengers per flight for a random sample of 50 flights from Halifax to Toronto on a particular airline.

a. Estimate the average number of passengers per flight with a 95% confidence level.

b. The company would like to estimate the population mean number of passengers per flight to within 5 passengers with 95% confidence. How large a sample is needed?

Number of passengers 163 152 165 138 94 147 137 119 123 166 95 170 96 117 129 125 148 180 152 149 167 120 120 159 150 119 113 147 169 151 116 150 110 110 143 90 34 145 156 165 174 133 128 100 86 148 139 150 145 100

Reference no: EM132404119

Questions Cloud

What are the null hypothesis and alternative hypothesis : What are the null hypothesis and alternative hypothesis here? Assuming confidence level of 95%, determine the alpha and critical value.
What are the null hypothesis and alternative hypothesis here : 1) What are the null hypothesis and alternative hypothesis here? 2) Assuming confidence level of 95%, determine the alpha and critical value.
Chance that between 35 percent and 45 percent : Estimate the chance that between 35 percent and 45 percent of the households in the sample are single parent households?
Distribution of the mean mpg for the? sample : a. What is the distribution of the mean mpg for the? sample? b. What is the probability that the mean mpg of the sample will be greater than 39 mpg?
Estimate the average number of passengers per flight : The data below represents the number of passengers per flight for a random sample of 50 flights from Halifax to Toronto on a particular airline.
Correlation between aerobic exercise and doctor visits : What is the correlation between aerobic exercise and doctor visits?
Identify the population parameter the two polls : Identify the population parameter the two polls were attempting to measure using statistic terminology.
What are the correct hypotheses : Nationwide 40.1% of employed teachers are union members. A random sample of 250 Oregon teachers showed that 110 belonged to a union.
Points of true population percentage : Assume that you want to be 90% confident that the sample percentage is within 1.5 percentage points of true population percentage

Reviews

Write a Review

Basic Statistics Questions & Answers

  Describe the consequences of not knowing

In three paragraphs, describe the consequences of not knowing most of the users of a B2C site.

  If a bank is selected at random from this distribution what

q1. consider a standard deck of cards that has 26 red cards and 26 black cards. find the probability of

  Particular solution of the differential equation

Find the particular solution of the following differential equation: 12(d^2y/dt^2)-3y=0 given that when t=0, y=3 and dy/dt=0.5 and could you explain the reasons for choosing y=e^(rt)

  Explain is this correct

Adding the three season averages and dividing the total by 3, he found his lifetime batting average to be .317. Is this correct? Explain.

  Interpretation of the coefficient

Suppose a multiple regression model is given by y= 1.12x1 -6.14x2 -25.54. What would an interpretation of the coefficient of x1 be?

  Problem regarding the number of points

Suppose we know the number of points Ky scores in a basketball game are relatively normal with a mean of 75 points and a standard deviation of 8 points.

  Completing regression analyses

Consider the following data on 20 chemical reactions, with Y = chromatographic retention time (seconds) and X = molecular weight (gm/mole).

  Water between the two states

A rule for allocating the use of the water between the two states is desired. Study the following rule using both probability models:

  Probability density function of y is given

X has a Uniform distribution on the interval (0, 3). The probability density function of Y is given by fY (y) = y^2/9 0

  Find distribution of sample proportion of american adults

Public Health and Nutrition Approximately 70% of American adults monitor a specific health indicator, for example weight, diet, or exercise.

  Fit first-order simple linear regression model

a. Fit first-order simple linear regression model (2.1) for relating brand liking (Y) to moisture content (X,). State the fitted regression function.

  A student has been assigned 12 textbooks 3 for math 5 for

a student has been assigned 12 textbooks 3 for math 5 for music 4 for biology. she decides to keep all her books on one

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