According to IDC, 70% of smartphones in the world use Googles Android operating system in the fourth

Question:

According to IDC, 70% of smartphones in the world use Google’s Android operating system in the fourth quarter of 2012. Answer the following questions based on a random sample of 14 smartphone users.

a. What is the probability that exactly nine people from this sample have a smartphone using the Android operating system?

b. What is the probability that all 14 people from this sample have a smartphone using the Android operating system?

c. What is the probability that 11 or fewer people from this sample have a smartphone using the Android operating system?

d. What are the mean and standard deviation for this distribution? e. Construct a histogram for this distribution.
Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  book-img-for-question

Business Statistics

ISBN: 9780321925121

2nd Edition

Authors: Robert A. Donnelly

Question Posted: