A youth club is taking a field trip to a community farm. 27 members attended the trip. The total cost for the club was $148.50.
a. Write and solve an equation to determine the cost for each person.
b. The farm brought in $1512.50 that day including what they received from
the youth club. Write and solve an equation to find the number of people
that visited the community farm that day.

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.