Suppose the marketing company did a survey. They randomly surveyed 159 households and found that in 109 of them, the woman made the majority of the purchasing decisions. We are interested in the population proportion of households where women make the majority of the purchasing decisions. a What is the number of households where women make the majority of purchasing decisions? b) What is the numberof households surveyed? c) What is the sample proportion? (Round to four decimal places)
Suppose the marketing company did a survey. They randomly surveyed 159 households and found that in 109 of them, the woman made the majority of the purchasing decisions. We are interested in the population proportion of households where women make the majority of the purchasing decisions. a What is the number of households where women make the majority of purchasing decisions? b) What is the numberof households surveyed? c) What is the sample proportion? (Round to four decimal places)
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 6E
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![Suppose the marketing company did a survey. They randomly surveyed 159 households and found that in
109 of them, the woman made the majority of the purchasing decisions. We are interested in the
population proportion of households where women make the majority of the purchasing decisions.
a What is the number of households where women make the majority of purchasing decisions?
b) What is the numberof households surveyed?
c) What is the sample proportion?
(Round to four decimal places)
d) What is the sampling distribution standard deviation?
(Round to four decimal places)
-
e) What is the critical Z score for 85% confidence interval?
(Round to 2 decimal places).
f) What is the Error Bound or Margin of Error?
(Round to four decimal places)
gWhat is the Lower and Upper bound values-for the 85% confidence interval? I
] (Round to four decimat places)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8a087d08-9fc6-4343-a6d2-250b91190b8d%2Fe29c3bec-91b4-4cb7-b390-256d05663580%2Fe4hgtg_processed.png&w=3840&q=75)
Transcribed Image Text:Suppose the marketing company did a survey. They randomly surveyed 159 households and found that in
109 of them, the woman made the majority of the purchasing decisions. We are interested in the
population proportion of households where women make the majority of the purchasing decisions.
a What is the number of households where women make the majority of purchasing decisions?
b) What is the numberof households surveyed?
c) What is the sample proportion?
(Round to four decimal places)
d) What is the sampling distribution standard deviation?
(Round to four decimal places)
-
e) What is the critical Z score for 85% confidence interval?
(Round to 2 decimal places).
f) What is the Error Bound or Margin of Error?
(Round to four decimal places)
gWhat is the Lower and Upper bound values-for the 85% confidence interval? I
] (Round to four decimat places)
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