Find how many people made a purchase at exactly

Assignment Help Mathematics
Reference no: EM13117800

Probability: Department Stores (JC Penney, Macy's & Sears)

A mall has three department stores, JC Penney, Macy's, and Sears. A survey of 2,118 people exiting the mall found that 433 made a purchase at JC Penney, 412 made a purchase at Macy's, 638 made a purchase at Sears, 109 made a purchase at JC Penney and Macy's, 167 made a purchase at JC Penney and Sears, 213 of them made a purchase at Macy's and Sears, and 60 of them made a purchase at all three stores.

a) How many people made a purchase at Sears but did not make a purchase at JC Penney?
b) How many people made a purchase at exactly one of the three stores?

Reference no: EM13117800

Reviews

Write a Review

 

Mathematics Questions & Answers

  Dual degree students are receiving lower

the dual degree students are receiving lower grades? Explain your answer to receive full credit.

  Arranging the people in the row

What was the smallest possible number of people? What are all possible numbers of people?

  Calculate the conditional probability

Calculate the probability that a person for whom the test result is positive has the disease

  The distribution of ant mounds on a farm

he distribution of ant mounds on a farm can be accurately modeled by a Poisson distribution.

  Determine general expression for the car''s acceleration

Rate related problems and Determine the general expression for the car's acceleration at any time t, and show that car is decelerating 2(2/3) seconds after starting from rest.

  How to clarify a rotated conic section

How to clarify a rotated conic section - how linear transformations can be used to study rotated conic sections. Your essay should include

  Find the number of groups

Determine the number of groups under a given condition and How many license plates can a state have if each license plate has 2 letters followed by 4 digits, if the first digit cannot be zero?

  Find the probability that the mean of a random sample

What is the probability that the mean of a random sample of size n = 4 of tire lifetimes will be less than 20,000 miles?

  Provide basic information about the bmi difference

Provide basic information about the BMI difference

  Inverse of an n by n matrix using gaussian elimination

What is the maximum number of multiplications required to solve a system of n equations with n unknowns using Gaussian Elimination and write a procedure to obtain the inverse of an n by n matrix usingGaussian elimination.

  Simplify the group as a finitely generated abelian group

Simplify the group as a finitely generated abelian group.

  Calculate the coefficient of determination

Calculate the coefficient of determination

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