. About 5% of a store’s customers respond to advertised sales. The other 95% shop when they have time or because they need an item, regardless of promotional advertising. Of the 21 customers randomly selected in the shop, calculate the following questions: d) Calculate the average number of customers responding to the advertisement (rounded off to two decimals). e) Calculating the variance of customers responding to the advertisement (rounded off to four decimals).

. About 5% of a store’s customers respond to advertised sales. The other 95% shop when they have time or because they need an item, regardless of promotional advertising. Of the 21 customers randomly selected in the shop, calculate the following questions: d) Calculate the average number of customers responding to the advertisement (rounded off to two decimals). e) Calculating the variance of customers responding to the advertisement (rounded off to four decimals).

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.5: Comparing Sets Of Data

Problem 14PPS

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Question

. About 5% of a store’s customers respond to advertised sales. The other 95% shop when they have
time or because they need an item, regardless of promotional advertising. Of the 21 customers randomly
selected in the shop, calculate the following questions:

d) Calculate the average number of customers responding to the advertisement (rounded off to two
decimals).
e) Calculating the variance of customers responding to the advertisement (rounded off to four
decimals).

Expert Solution