A report just came out that stated that 21.5% of all Americans say that vanilla is their favorite ice cream, 20% say that chocolate is their favorite, 9.1% favor butter pecan, 10% 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 750 of her patrons' ice cream selections. What can be concluded at the a=0.01 significance level? a. Complete the table by filling in the expected frequencies. Round your answers to the nearest whole number. Frequencies of Favorite Ice Cream Outcome Frequency Exnected Freguencu

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tiôn + Reasoning Quiz: Fa
3 xyzHomework Assessment
ent/showtest.php?action=skip&to=4
A report just came out that stated that 21.5% of all Americans say that vanilla is their favorite ice cream, 20%
say that chocolate is their favorite, 9.1% favor butter pecan, 10% 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 750 of her patrons' ice cream selections. What can be concluded at the a = 0.01 significance
level?
a. 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
168
Chocolate
133
Butter Pecan 75
Strawberry 79
Other
295
b. What is the correct statistical test to use?
Select an answer v
c. What are the null and alternative hypotheses?
Ho:
O Favorite ice cream and where the ice cream is purchased are independent.
O The distribution of favorite ice cream for customers at her shop is not the same as it is for
Americans in general.
O Favorite ice cream and where the ice cream
purchased are dependent.
O The distribution of favorite ice cream for customers at her shop is the same as it is for Americans in
general.
H:
O The distribution of favorite ice cream for customers at her shop is the same as it is for Americans in
MacBook
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Transcribed Image Text:tiôn + Reasoning Quiz: Fa 3 xyzHomework Assessment ent/showtest.php?action=skip&to=4 A report just came out that stated that 21.5% of all Americans say that vanilla is their favorite ice cream, 20% say that chocolate is their favorite, 9.1% favor butter pecan, 10% 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 750 of her patrons' ice cream selections. What can be concluded at the a = 0.01 significance level? a. 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 168 Chocolate 133 Butter Pecan 75 Strawberry 79 Other 295 b. What is the correct statistical test to use? Select an answer v c. What are the null and alternative hypotheses? Ho: O Favorite ice cream and where the ice cream is purchased are independent. O The distribution of favorite ice cream for customers at her shop is not the same as it is for Americans in general. O Favorite ice cream and where the ice cream purchased are dependent. O The distribution of favorite ice cream for customers at her shop is the same as it is for Americans in general. H: O The distribution of favorite ice cream for customers at her shop is the same as it is for Americans in MacBook DII F3 Ed F5 F7 F8 F9 F10 F11 F12 & ) 4 5 6 7 8 { Y | P 11 H J K L + || ト
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