A particular cookie company has a double-feature box of cookies. These boxes come with two types of cookies; oatmeal raisin and chocolate-chip. However, the proportion of cookies of each type varies. A data analyst working for the company wonders if there is a tendency for the boxes to have more of one type of cookie than the other. In order to investigate, he selects 72 boxes of the double-feature oatmeal raisin/choc-chip cookies and counts the number of each type of cookie. He finds out that, in his sample of 72 boxes, the proportion of chocolate chip cookies is 0.22. What is the standard deviation of the sampling proportion for the proportion of chocolate chip cookies? Note: 1- Round your final answer to 3 decimal places. Enter your final answer with 3 decimal places. 2- If standard deviation cannot be calculated, standard error is created in its place. Your Answer: Answer

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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A particular cookie company has a double-feature box of cookies. These boxes come
with two types of cookies; oatmeal raisin and chocolate-chip. However, the
proportion of cookies of each type varies. A data analyst working for the company
wonders if there is a tendency for the boxes to have more of one type of cookie than
the other. In order to investigate, he selects 72 boxes of the double-feature oatmeal
raisin/choc-chip cookies and counts the number of each type of cookie. He finds out
that, in his sample of 72 boxes, the proportion of chocolate chip cookies is 0.22.
What is the standard deviation of the sampling proportion for the proportion of
chocolate chip cookies?
Note:
1- Round your final answer to 3 decimal places. Enter your final answer with 3
decimal places.
2-If standard deviation cannot be calculated, standard error is created in its place.
Your Answer:
Answer
Transcribed Image Text:A particular cookie company has a double-feature box of cookies. These boxes come with two types of cookies; oatmeal raisin and chocolate-chip. However, the proportion of cookies of each type varies. A data analyst working for the company wonders if there is a tendency for the boxes to have more of one type of cookie than the other. In order to investigate, he selects 72 boxes of the double-feature oatmeal raisin/choc-chip cookies and counts the number of each type of cookie. He finds out that, in his sample of 72 boxes, the proportion of chocolate chip cookies is 0.22. What is the standard deviation of the sampling proportion for the proportion of chocolate chip cookies? Note: 1- Round your final answer to 3 decimal places. Enter your final answer with 3 decimal places. 2-If standard deviation cannot be calculated, standard error is created in its place. Your Answer: Answer
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