Adults with smartphones are randomly? selected

Assignment Help Basic Statistics
Reference no: EM132381314

Assume that when adults with smartphones are randomly? selected, 49?% use them in meetings or classes. If 7 adult smartphone users are randomly? selected, find the probability that exactly 2 of them use their smartphones in meetings or classes.

Reference no: EM132381314

Questions Cloud

Probability of a union of three events : Use the additivity axiom and appropriate partitioning of the event A ? B ? C to derive the following inclusion-exclusion formula for the probability of a union
How many patients would you expect to be responders : a) How many patients would you expect to be responders? b) What is the variance on the number of responders from the sample?
Confidence interval for sample : What is the margin of error for a 99% confidence interval for this sample? Give your answer to three decimal places.
Instructions for inputting a numeric response : Give your answer to 3 decimal places. For help on how to input a numeric answer, please see "Instructions for inputting a numeric response."
Adults with smartphones are randomly? selected : If 7 adult smartphone users are randomly? selected, find the probability that exactly 2 of them use their smartphones in meetings or classes.
How many of the houses on short street have garages : In total, there are 21 houses which either do not have a garage or do not have a covered porch. How many of the houses on Short Street have garages?
Find the probability that none of the selected adults : a. Find the probability that none of the selected adults say that they were too young to get tattoos.
Determining the data set-chi square : Explain what scale of measurement is used to measure academic program in this scenario? (e.g. nominal, ordinal, interval, ratio). How do you know?
PRJM6005 Program and Portfolio Management Assessment : PRJM6005 Program and Portfolio Management Assessment Report - Benefits Realisation Table, Assignment Help, Curtin University, Australia

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics-probability assignment

MATH1550H: Assignment:  Question:  A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

  What is the least number

MATH1550H: Assignment:  Question:     what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

  Determine the value of k

MATH1550H: Assignment:  Question:     Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

  What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

  Binomial distributions

MATH1550H: Assignment:  Questions:  Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

  Caselet on mcdonald’s vs. burger king - waiting time

Caselet on McDonald’s vs. Burger King - Waiting time

  Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

  Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

  Estimate the population mean

Estimate the population mean

  Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

  Find out the probability

Find out the probability

  Linear programming models

LINEAR PROGRAMMING MODELS

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