The ages of subscribers to the Australia Daily newspaper are normally distributed with a mean of 33.5 years and a standard deviation of 4.

7. The ages of subscribers to the Australia Daily newspaper are normally distributed with a mean of 33.5 years and a standard deviation of 4.8. 

a. What is the percentage of subscribers that are more than 35 years? 

b. What is the percentage of subscribers between 30 and 40 years?

Question 4: 

Using the following sample data, calculate the mean, median, and mode: 

1.116 1.122 1.125 

1.123 1.122 1.123 

1.133 1.125 1.118 

1.117 1.121 1.123 

1.124 1.136 1.122 

1.119 1.127 1.122 

1.129 1.125 1.119 

1.121 1.124 

1.128 1.122