A Pew Research report indicated that 88% of 18-27 years of age own a smartphone. A random sample of 120 people aged 18-27 is drawn. By the CLT, the sample proportion of 18-27 year old that own smartphones is normally distributed (since it satisfies the two conditions of: n p10 and and n (1-p) > 10 n. Now answer the following questions: a) The p [Select] [Select] V b) P(0.82 << 0.90) = [Select] and σ=
A Pew Research report indicated that 88% of 18-27 years of age own a smartphone. A random sample of 120 people aged 18-27 is drawn. By the CLT, the sample proportion of 18-27 year old that own smartphones is normally distributed (since it satisfies the two conditions of: n p10 and and n (1-p) > 10 n. Now answer the following questions: a) The p [Select] [Select] V b) P(0.82 << 0.90) = [Select] and σ=
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
Related questions
Question
![A Pew Research report indicated that 88% of 18-27 years of age own a
smartphone. A random sample of 120 people aged 18-27 is drawn.
By the CLT, the sample proportion of 18-27 year old that own smartphones is
normally distributed (since it satisfies the two conditions of:
n p10
and
and n (1-p) > 10
n.
Now answer the following questions:
a) The p
[Select]
[Select]
V
b) P(0.82 << 0.90) = [Select]
and σ=](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2dfb7e76-2fcc-485a-88f7-6145c99fd280%2F43c823e4-7e39-46fc-b7bb-58f6ec489874%2Fopf2if4_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A Pew Research report indicated that 88% of 18-27 years of age own a
smartphone. A random sample of 120 people aged 18-27 is drawn.
By the CLT, the sample proportion of 18-27 year old that own smartphones is
normally distributed (since it satisfies the two conditions of:
n p10
and
and n (1-p) > 10
n.
Now answer the following questions:
a) The p
[Select]
[Select]
V
b) P(0.82 << 0.90) = [Select]
and σ=
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