Fast-food restaurants may be able to save substantial amounts of money simply by decreasing the size of the paper napkins they provide to patrons. Papel Paper Products, a major paper company hoping to infiltrate the restaurant supply market, is considering pitching the smaller-napkin idea to potential restaurant clients. To determine the receptiveness of different restaurants to the idea, Papel surveyed 400 fast-food establishments. The restaurants were classified according to two variables: attitude toward the smaller-napkin idea ("Receptive" or "Not receptive") and type of fast-food restaurant ("Burger/Sandwich", "Chinese/Mexican", or "Other"). Papel's data for three categories of fast-food restaurants are summarized in the contingency table below. In the cells of the table are the respective observed frequencies, and three of the cells also have blanks. Fill in these blanks with the frequencies expected if the two variables, type of fast-food restaurant and attitude toward the smaller-napkin idea, are independent. Round your answers to two or more decimal places. Send data to Excel Type of fast-food restaurant ? Chinese / Burger / Sandwich Other Total Меxican 57 117 81 Receptive 255 Attitude toward 42 77 26 smaller-napkin Not receptive 145 idea Total 99 194 107 400
Fast-food restaurants may be able to save substantial amounts of money simply by decreasing the size of the paper napkins they provide to patrons. Papel Paper Products, a major paper company hoping to infiltrate the restaurant supply market, is considering pitching the smaller-napkin idea to potential restaurant clients. To determine the receptiveness of different restaurants to the idea, Papel surveyed 400 fast-food establishments. The restaurants were classified according to two variables: attitude toward the smaller-napkin idea ("Receptive" or "Not receptive") and type of fast-food restaurant ("Burger/Sandwich", "Chinese/Mexican", or "Other"). Papel's data for three categories of fast-food restaurants are summarized in the contingency table below. In the cells of the table are the respective observed frequencies, and three of the cells also have blanks. Fill in these blanks with the frequencies expected if the two variables, type of fast-food restaurant and attitude toward the smaller-napkin idea, are independent. Round your answers to two or more decimal places. Send data to Excel Type of fast-food restaurant ? Chinese / Burger / Sandwich Other Total Меxican 57 117 81 Receptive 255 Attitude toward 42 77 26 smaller-napkin Not receptive 145 idea Total 99 194 107 400
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Fast-food restaurants may be able to save substantial amounts of money simply by decreasing the size of the paper napkins they provide to patrons. Papel
Paper Products, a major paper company hoping to infiltrate the restaurant supply market, is considering pitching the smaller-napkin idea to potential restaurant
clients. To determine the receptiveness of different restaurants to the idea, Papel surveyed 400 fast-food establishments. The restaurants were classified
according to two variables: attitude toward the smaller-napkin idea ("Receptive" or "Not receptive") and type of fast-food restaurant ("Burger/Sandwich",
"Chinese/Mexican", or "Other").
Papel's data for three categories of fast-food restaurants are summarized in the contingency table below. In the cells of the table are the respective observed
frequencies, and three of the cells also have blanks. Fill in these blanks with the frequencies expected if the two variables, type of fast-food restaurant and
attitude toward the smaller-napkin idea, are independent.
Round your answers to two or more decimal places.
Send data to Excel
Type of fast-food restaurant
?
Chinese /
Burger /
Sandwich
Other
Total
Меxican
57
117
81
Receptive
255
Attitude toward
42
77
26
smaller-napkin
Not receptive
145
idea
Total
99
194
107
400
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