What is the correct statistical test to use?       What are the null and alternative hypotheses

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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A report just came out that stated that 24.2%  of all Americans say that vanilla is their favorite ice cream,  23.8% say that chocolate is their favorite, 8.6% favor butter pecan, 9.2% favor strawberry, and the rest have other favorites. An ice cream shop owner thinks that her customers are not like the rest of America.  The table below shows the results of 910 of her patrons' ice cream selections. What can be concluded at the αα = 0.01 significance level?

  1. Complete the table by filling in the expected frequencies.  Round your answers to the nearest whole number.
    Frequencies of Favorite Ice Cream
    Outcome Frequency Expected Frequency
    Vanilla 234

     

    Chocolate 224  
    Butter Pecan 67  
    Strawberry 65  
    Other 320  
  2. What is the correct statistical test to use?
         
  3. What are the null and alternative hypotheses?
    H0:H0: 
    • Favorite ice cream and where the ice cream is purchased are independent.
    • The distribution of favorite ice cream for customers at her shop is not the same as it is for Americans in general.
    • The distribution of favorite ice cream for customers at her shop is the same as it is for Americans in general.
    • Favorite ice cream and where the ice cream is purchased are dependent
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