Elevators randomly services floor

Assignment Help Basic Statistics
Reference no: EM132527734

A hotel has four elevators. One of them is a freight elevator. When pressing the button, one of the elevators randomly services your floor. If you use the elevators five times, what is the probability that you use the freight elevator exactly three times? Use combination and/or permutation formula: nCr/nPr.

Reference no: EM132527734

Questions Cloud

What is the probability that you will make money : What is the probability that you will make money on the first day and lose money on the second day, and make money on the third?
Value of the population mean : You are advised to first perform the appropriate hypothesis test using pencil and paper, along with a calculator and statistical tables, and then use your worki
What is the expected number of trees in the forest : Suppose that trees are distributed in a forest according to a two-dimensional Poisson process with parameter a, the expected number of trees per acre
What is the probability that the student answers : What is the probability that the student answers at most nine questions correctly? Use combination and/or permutation formula: nCr/nPr.
Elevators randomly services floor : A hotel has four elevators. One of them is a freight elevator. When pressing the button, one of the elevators randomly services your floor.
What is the probability that spinner lands on red exactly : What is the probability that spinner lands on red exactly two times? Use combination and/or permutation formula: nCr/nPr.
What is the probability that the sample average : The U.S. Bureau of Labor Statistics released hourly wage figures for various countries for workers in the manufacturing sector. The hourly wage
Sketch the relative frequency histogram : A) Sketch the relative frequency histogram for the distance data and describe its shape.
How do you know when to use each type of chi-square test : How do you know when to use each type of Chi-square test (Goodness-of-fit, Homogeneity, and Independence/Association)?

Reviews

Write a Review

Basic Statistics Questions & Answers

  What is the probability that they all hit the target

The probability that a bomber hits a target on a bombing mission is 0.700. Three bombers are sent to bomb a particular target.

  Find also the chance the game reaches 3-3 ("deuce")

Suppose buses arrive at random, at average rate , so that the time to wait follows an Exponential distribution. Show that, conditional on you having already waited time T, without a bus, the remaining time you have to wait is independent o..

  Analysis of the company in the context

Present an analysis of the company in the context of its operating environment, addressing the following

  How many students expect will be unable to complete exam

Assume that the class has 60 students and that the examination period is 90 minutes in length. How many students do you expect will be unable to complete the exam in the allotted time (0 decimals)?

  What is the conservative degrees of freedom

What is the "conservative" degrees of freedom that will be used to construct a confidence interval for the difference of two sample means?

  Explaining margin of error in confidence level

When we say we have confidence level of 95% what do you believe our "margin of error" is?

  Estimated percent decline in visual field per year

What does the intercept mean in this context? What is the estimated percent decline in visual field per year?

  Total population of middle school students

If the total population of middle school students is 8 million, is the 10% condition met? Justify your answer.

  A university medical center urology group

Refer to the Prostate cancer data set in Appendix C.5 and Case Study 16.49. Carr " one-way analysis of covariance of this data set, where the response of interest is PS out a (variable 2), the single factor is Gleason score (variable 9), and the p..

  What is the value of the test statistic

Although we have not emphasized it, the paired t-test can be used to test hypotheses in which the null value is something other than 0.

  Reference to financial system stability

"The biggest four banks in Australia are too big to fail. With reference to financial system stability, critique this statement."

  The declining farm population

The number of people living on American farms declined steadily during the past century. Here are data on the farm population

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