Mathematics, 15.04.2020 00:55, hjamya17

A marketing firm claims that its ad campaign will increase sales for a fast-food chain by 15%. In a random sample of 49 stores, the average increase in sales was 18 % with a standard deviation of 5%. What is the z value for the this example rounded to the nearest hundredth ?

Answers: 3

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 19:00, campbellkruger

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu

Answers: 1

continue

Mathematics, 21.06.2019 20:30, aprilwilson3p8711m

For the quadratic function [tex]y=(x+4)^2-1[/tex] , do the following: a) rewrite the function in the standard form, b) rewrite the function in intercept form, c) find the vertex, d) find the y-intercept, e) find the x-intercepts.

Answers: 1

continue

Mathematics, 21.06.2019 21:30, Yuii

Hannah paid $3.20 for 16 ounces of potato chips. hank paid $3.23 for 17 ounces of potato chips. who paid less per ounces?

Answers: 1

continue

Mathematics, 21.06.2019 22:00, zurfluhe

Manuela claims that and are congruent. which statement best describes her claim? she is incorrect because the segments do not have the same orientation. she is incorrect because the segments do not have the same length. she is correct because the segments have the same length. she is correct because the segments have the same orientation.

Answers: 1

continue

Do you know the correct answer?

A marketing firm claims that its ad campaign will increase sales for a fast-food chain by 15%. In a...