According to a consumer survey of young adults (18-24 years of age) who shop online, 24% own
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Question:
According to a consumer survey of young adults (18-24 years of age) who shop online, 24% own a mobile phone with internet access. In a random sample of 300 young adults who shop online, let x be the number who own a mobile phone with internet access.
a. Find the probability of exactly 150 young adults owning a mobile phone.
b. Find the probability of less than 200 young adults owning a mobile phone.
c. Find the expected number of young adults owning a mobile phone.
d. Find the standard deviation of the number of young adults owning a mobile phone.
Related Book For
Probability and Statistics for Engineering and the Sciences
ISBN: 978-1305251809
9th edition
Authors: Jay L. Devore
Posted Date: