You invest $2,000.00 in a stock plan and another $2,000.00 in a savings account. the stock plan decreases by 7% the first year and gains 10% the second year. the savings account earns a 3.7% apr and compounds annually. what is the difference in earnings between the stock and savings account at the end of the second year?

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.