subject
Mathematics, 03.04.2020 00:47 CyanideFaux

The city manager has received a complaint from the local union of firefighters to the effect that they are underpaid. Not having much time, the city manager gathers the records of a random sample of 27 firefighters and finds that their average salary is $38073, with a standard deviation of $575. If she knows that the national average is $38202, do the firefighters in the union are underpaid? Provide your conclusion in a few words.

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 14:30
Chandler was a caretaker at the state zoo. he noticed that the number of animals adopted by the zoo increased at a constant rate every year since 2010. which of the following graphs shows the slowest rate at which the animals in the zoo were adopted?
Answers: 2
question
Mathematics, 21.06.2019 15:00
Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?
Answers: 1
question
Mathematics, 21.06.2019 16:30
You are remodeling your kitchen. you’ve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles
Answers: 3
question
Mathematics, 21.06.2019 17:30
If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=
Answers: 1
You know the right answer?
The city manager has received a complaint from the local union of firefighters to the effect that th...
Questions
question
Mathematics, 04.01.2021 16:30
question
English, 04.01.2021 16:30
question
Chemistry, 04.01.2021 16:30
question
History, 04.01.2021 16:30
question
English, 04.01.2021 16:30
question
English, 04.01.2021 16:30
question
Mathematics, 04.01.2021 16:30
question
Mathematics, 04.01.2021 16:30
Questions on the website: 13722363