3. A ladder is placed 5ft away from a building. The ladder comes up to 12 ft on the side of the building. How long is the ladder?
12
Equation:
جا
517
Length of Ladder:

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.