Question
The number of mobile apps installed by smartphone users varies from user to user. For the population of smartphone users in the U.S., the number
The number of mobile apps installed by smartphone users varies from user to user. For the population of smartphone users in the U.S., the number of mobile apps installed on their mobile phones has a mean of 32.8 apps and a standard deviation of 5.6 apps.
Assume that the stated mean of 32.8 apps and stated standard deviation of 5.6 apps are the correct parameters for this population of smartphone users in the U.S.
1.) If we take many random samples and for each sample compute the sample mean, the resulting values of \bar{x}x are always normally distributed.
a.)True
b.)False
2.) For which sample size would seeing a sample mean of at least 37 be most unlikely?
a.) n = 25
b.) n=100
c.)n = 500
d.)Can't tell with the information provided
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started