Based on a smartphone survey, assume that 47 percent of adults with smartphones use them in theaters. In a separate survey of 264 adults with smartphones, it is found that 122 use them in theaters. a) if the 47% rate is correct, find the probability of getting 122 or fewer smartphone owners who use them in theaters. b) Is the result of 122 significantly low?
Based on a smartphone survey, assume that 47 percent of adults with smartphones use them in theaters. In a separate survey of 264 adults with smartphones, it is found that 122 use them in theaters. a) if the 47% rate is correct, find the probability of getting 122 or fewer smartphone owners who use them in theaters. b) Is the result of 122 significantly low?
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
Related questions
Question
Based on a smartphone survey, assume that 47 percent of adults with smartphones use them in theaters. In a separate survey of 264 adults with smartphones, it is found that 122 use them in theaters.
a) if the 47% rate is correct, find the probability of getting 122 or fewer smartphone owners who use them in theaters.
b) Is the result of 122 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 4 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
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage