subject
Mathematics, 18.03.2021 01:40 mmelody5

Need ASAP 11. The amount of money that Sara earns in a week is a random variable with a mean of $920 and a standard deviation of $25. The amount of money that Natalie earns in a week is a random variable with a mean of $8-
with a standard deviation of $10. If the difference between Sarah's weekly income and Natalie's weekly income
can be described as a Normal model, what is the probability that Sarah's weekly income is at least $160.39
more than Natalie's weekly income? (In other words, what is the probability that the difference S-N is at least
$160.392) Assume that Sarah's earning are independent of Natalie's earnings. SHOW ALL WORK!

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 14:30
Sadie computes the perimeter of a rectangle by adding the length, l, and width, w, and doubling this sum. eric computes the perimeter of a rectangle by doubling the length, l, doubling the width, w, and adding the doubled amounts. write an equation for sadie’s way of calculating the
Answers: 3
question
Mathematics, 21.06.2019 14:30
The expression 6x2 gives the surface area of a cube, and the expression x3 gives the volume of a cube, where x is the length of one side of the cube. find the surface area and the volume of a cube with a side length of 6m
Answers: 3
question
Mathematics, 21.06.2019 15:30
Find the gradient of f(x,y,z)equals=left parenthesis x squared plus y squared plus z squared right parenthesis superscript negative 1 divided by 2 baseline plus ln left parenthesis x right parenthesis x2+y2+z2−1/2+ln(xyz) at the point left parenthesis negative 2 comma 1 comma negative 2 right parenthesis(−2,1,−2).
Answers: 1
question
Mathematics, 21.06.2019 18:30
Iam a rectangle. my perimeter is 60 feet. how much are do i cover?
Answers: 1
You know the right answer?
Need ASAP 11. The amount of money that Sara earns in a week is a random variable with a mean of $920...
Questions
question
Arts, 02.12.2021 18:50
question
Mathematics, 02.12.2021 18:50
Questions on the website: 13722362