Question
A local store has daily average sales of $9,865. The standard deviation of sales is $1,055. (a) On Tuesday, the store sold $11,680 worth of
A local store has daily average sales of $9,865. The standard deviation of sales is
$1,055.
(a) On Tuesday, the store sold $11,680 worth of goods. How many standard
deviations from the mean is that?
(b) The z-score of Friday sales was 1.5. Find the raw sales on Friday.
(c) What is the probability that the store sells between $8,810 and $11,975 in a day?
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started
Mathematical Excursions
Authors: Richard N Aufmann, , Joanne Lockwood, Richard D Nation, Daniel K Clegg
3rd Edition
1305161793, 9781305161795
