I need doo fast typing clear urjent no chatgpt used i will give 5 upvotes pls full explain with all 23) Based on past data, the sample mean of the credit card purchases at a large department store is $35. Assuming sample size ispopulation standard deviation is 10.a)b)(၁d)What % of samples are likely to have between 20 and 30?Between what two values 90% of sample means fall?Below what value 99% of sample means fall?Above what value only 1% of sample means fall??Within what symmetrical limits of the population percentage will 95% of the sample percentages fall?

Ans a)We first get the z score for the two values. As z = (x - u) sqrt(n) / s, then asx1 = lower…

Answered: 23) Based on past data, the sample mean…

Principles Of Marketing

17th Edition

ISBN:9780134492513

Author:Kotler, Philip, Armstrong, Gary (gary M.)

Publisher:Kotler, Philip, Armstrong, Gary (gary M.)

Chapter1: Marketing: Creating Customer Value And Engagement

Section: Chapter Questions

Problem 1.1DQ

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