Based on a smartphone survey, assume that 45% of adults with smartphones use them in theaters. In a seperate survey of 294 adults with smartphones, it is found that 128 use them in theaters. A) If the 45% rate is correct, find the probability of getting 128 or fewer smartphone owners who use them in theaters. B) is the result of 128 significantly low?
Based on a smartphone survey, assume that 45% of adults with smartphones use them in theaters. In a seperate survey of 294 adults with smartphones, it is found that 128 use them in theaters. A) If the 45% rate is correct, find the probability of getting 128 or fewer smartphone owners who use them in theaters. B) is the result of 128 significantly low?
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
Based on a smartphone survey, assume that 45% of adults with smartphones use them in theaters. In a seperate survey of 294 adults with smartphones, it is found that 128 use them in theaters.
A) If the 45% rate is correct, find the probability of getting 128 or fewer smartphone owners who use them in theaters.
B) is the result of 128 significantly low?
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 3 images
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.Recommended textbooks for you
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL
College Algebra
Algebra
ISBN:
9781305115545
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL
College Algebra
Algebra
ISBN:
9781305115545
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
Algebra and Trigonometry (MindTap Course List)
Algebra
ISBN:
9781305071742
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning
College Algebra (MindTap Course List)
Algebra
ISBN:
9781305652231
Author:
R. David Gustafson, Jeff Hughes
Publisher:
Cengage Learning