USA Today reported thet about20%of all poople in the United States are interate, Suppose you take eleven pesple at random off a city street. (a) Find the mear and standerd deviation of this probabetr dntribution. (Round your answers to two decimal places.) Find the exoected aumber of people in this sande who are iliterate. (hound vov answer to two dechal places.) people at least98%sure.) people

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
USA Today reported thet about20%of all poople in the United States are interate, Suppose you take eleven pesple at random off a city street. (a) Find the mear and standerd deviation of this probabetr dntribution. (Round your answers to two decimal places.) Find the exoected aumber of people in this sande who are iliterate. (hound vov answer to two dechal places.) people at least98%sure.) people
USA Today reported that about 20% of all people in the United States are illiterate. Suppose you take eleven people at random off a city street.
LA USE SALT
(a) Find the mean and standard deviation of this probability distribution. (Round your answers to two decimal places.)
MN
people
people
Find the expected number of people in this sample who are literate. (Round your answer to two decimal places.)
people
(b) How many people would you need to interview to be 98% sure that at least seven of these people can read and write (are not literate)? (Enter the smallest number of people needed to be
at least 98% sure.)
people
Transcribed Image Text:USA Today reported that about 20% of all people in the United States are illiterate. Suppose you take eleven people at random off a city street. LA USE SALT (a) Find the mean and standard deviation of this probability distribution. (Round your answers to two decimal places.) MN people people Find the expected number of people in this sample who are literate. (Round your answer to two decimal places.) people (b) How many people would you need to interview to be 98% sure that at least seven of these people can read and write (are not literate)? (Enter the smallest number of people needed to be at least 98% sure.) people
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 4 steps with 7 images

Blurred answer
Similar questions
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman