Purchase Solution

Business Travel - Normal Distribution

Not what you're looking for?

Ask Custom Question

The Travel Weekly International Air Transport Association survey asked business travelers about the purpose for their most recent business trip. 19% responded that it was for an internal company visit. Suppose 950 business travelers are randomly selected.

a. What is the probability that more than 25% of the business travelers say the reason for the most recent business trip was an internal company visit?

b. What is the probability that between 15% and 20% of the business travelers say that the reason for the their most recent business trip was an internal company?

c. What is the probability that between 133 and171 of the business travelers say the reason for their most recent business trip was an internal company visit?

Purchase this Solution
Solution Summary

Neat and Step-by-step solutions to all the questions.

Purchase this Solution
Free BrainMass Quizzes
Know Your Statistical Concepts

Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.

Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.

Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.

View More Free Quizzes
Related BrainMass Solutions

  • Normal distribution

    19209 Normal Distribution Travel Agents An airline wants to find out how long it takes for a travel agent to complete an airline ticket order from a computer terminal.

  • Probability

    363886 Statistics: Probability value, Probability distribution See attached file for formulas. 2.

  • Normal Distribution

    A normal distribution is investigated in the solution.

  • Probability

    The longest one-way travel time is New York City, where the mean time is 37.9 minutes. Assume the distribution of travel times in New York City follows the normal probability distribution and the standard deviation is 6.9 minutes.

  • Calculations based on Normal distribution

    If 20% of all US drivers travel at 65 mph or more, what is the average? Please see the attached file. Calculations based on Normal distribution such as probability in an interval.

  • Frequency distribution

    127952 Frequency distribution calculated How long does it take to travel to work Monday through Friday for 10 days?

  • Plot the vehicle stopping distance versus the speed of travel

    Also, it is given that Y follows normal distribution for a given value of X. That is, Y follows normal distribution with mean and standard deviation . a) When X = 0.35 .

  • Resource planning and allocation: How many service technicians does it take?

    Since event durations are normal distribution, we can find the standard deviation "s" by interpreting it into standard normal distribution: 90% 0.02 1.42

  • Fast Service Truck Lines: Travelled Miles

    Management made a study of the maintenance costs and determined the number of miles traveled during the year followed the normal distribution. The mean of the distribution was 60,000 miles and the standard deviation 2,000 miles. a.

  • Statistics Hypothesis: Dissolved Oxygen Concentration

    Assuming that DO has a normal distribution N (µ, σ), what can be delivered in relation to µ based on the obtained data? The sample mean =2.06, which is an estimate of µ. b.

View More Related Solutions