The scale drawing of a deck that mr. ford is building measures 15 cm by 21 cm. each 3 cm on the scale drawing equals 5 feet. what are the actual dimensions of the deck?
a)
15 feet x 21 feet
b)
16 feet x 20 feet
c)
20 feet x 30 feet
d)
25 feet x 35 feet

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.