Exe.1
show 5 possible solutions for each statement:
a) the sum of 2 decimals is less than 1
b) the sum of 2 decimals is equal than 1
c) the sum of 2 decimals is greater than 1

exe.2
the difference between two decimalsis 6.33. what might the two decimals be? show 5 different solutions.

exe.3
i multiplied two numbers and got a product smaller than both factors. what might the two numbers be?

Now, martin can reasonably guess that the standard deviation for the entire population of people at the mall during the time of the survey is $1.50. what is the 95% confidence interval about the sample mean? interpret what this means in the context of the situation where 95 people were surveyed and the sample mean is $8. use the information in this resource to construct the confidence interval.