A random sample of 49 shoppers showed that they spend an average of $23.45 per visit at the Saturday Morning Bookstore.
The standard deviation of the population is $2.80. Find the best
point estimate of the population mean and find the 90%
confidence interval of the true mean.

the answer to your question a or b but i am pretty sure it is b. i hope this : )

step-by-step explanation:

a

step-by-step explanation:

hi i’m going tomorrow morning and i can come over and you out with this stuff for me haha ya day is going crazy and i’ll tell you what i’m talking about you don’t wanna go do you think i’m going to be a good friend i just don’t know how much you mean about the stuff you want to do and stuff you know i just want you and you know that i’m going crazy i don’t think i’m going crazy about going tomorrow and i’ll tell ya hey i don’t think i’m going crazy about going tomorrow and i’ll tell you what i’m done