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QUESTION 4 4% of the world population has an outie belly button. In a random sample of 50 people, the proportion of people with an outie belly button was found. The sampling distribution of p is O A. approximately normal because p is always approximately normal O B. normal because is always normal O C. not normal because np <5 O D. approximately normal because n(1-p) > 5 O E. approximately normal because the sample size is more than 30

QUESTION 4 4% of the world population has an outie belly button. In a random sample of 50 people, the proportion of people with an outie belly button was found. The sampling distribution of p is O A. approximately normal because p is always approximately normal O B. normal because is always normal O C. not normal because np <5 O D. approximately normal because n(1-p) > 5 O E. approximately normal because the sample size is more than 30

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 30E
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QUESTION 4 4% of the world population has an outie belly button. In a random sample of 50 people, the proportion of people with an outie belly button was found. The sampling distribution of is O A. approximately normal because p is always approximately normal O B. normal because p is always normal O C. not normal because np < 5 O D. approximately normal because n(1-p) > 5 O E. approximately normal because the sample size is more than 30 QUESTION 5 In a study of 50 customers that entered a store, 22 were female. What is the margin of error for a 74.58% confidence estimate for the proportion of female customers, rounded to four decimal places? O A. 0.0468 DELL PrtScr ) K F7 F8 F9 F10 F1L F3 F4 F5 F6 2$ % & 3 4
Transcribed Image Text:QUESTION 4 4% of the world population has an outie belly button. In a random sample of 50 people, the proportion of people with an outie belly button was found. The sampling distribution of is O A. approximately normal because p is always approximately normal O B. normal because p is always normal O C. not normal because np < 5 O D. approximately normal because n(1-p) > 5 O E. approximately normal because the sample size is more than 30 QUESTION 5 In a study of 50 customers that entered a store, 22 were female. What is the margin of error for a 74.58% confidence estimate for the proportion of female customers, rounded to four decimal places? O A. 0.0468 DELL PrtScr ) K F7 F8 F9 F10 F1L F3 F4 F5 F6 2$ % & 3 4
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