subject
Mathematics, 02.02.2020 23:47 reneebrown017

Suppose the census bureau reports that the monthly household income for a particular region is normally distributed with mean of $5000 and a standard deviation of $1500.
a. find the probability that a randomly selected household has a monthly income greater than 6800.
b. if we take a sample of 40 households, what is the probability that the sample mean for the monthly income will be greater than$5400?

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 15:30
Come up with a new linear function that has a slope that falls in the range 10 m − < < . choose two different initial values. for this new linear function, what happens to the function’s values after many iterations? are the function’s values getting close to a particular number in each case?
Answers: 1
question
Mathematics, 21.06.2019 17:40
Divide. reduce the answer to lowest terms.5 2/3 ÷ 3 1/9
Answers: 3
question
Mathematics, 21.06.2019 21:30
The box plots show the average speeds, in miles per hour, for the race cars in two different races. which correctly describes the consistency of the speeds of the cars in the two races?
Answers: 3
question
Mathematics, 21.06.2019 23:00
Suppose that 15 inches of wire cost 60 cents. at the same rate, how much (in cents) will 12 inches of wire cost
Answers: 2
You know the right answer?
Suppose the census bureau reports that the monthly household income for a particular region is norma...
Questions
question
Mathematics, 16.12.2020 21:00
question
Computers and Technology, 16.12.2020 21:00
Questions on the website: 13722367