The average cost of a motorcycle increases by $500 each year. If it is 2011 and the average cost is $6500, then what will be the average cost of a motorcycle in 2014 and what type of statistics allows you to make this prediction.

In the figure shown below, m < 40 and ab =8. which equation could be used to find x?

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

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.