We want the integral of the standard normal from -z to z to be 0.85. Let's look at some standard normal tables and pick the right one.
It's easy to find the Erf one, which is the integral of the unit normal from 0 to z. That will be exactly half of the integral from -z to z. So we look for the z value corresponding to a probability of 0.425 in that table and find
z = 1.44
Answer: 1.44
[figure from Wikipedia]
15 is the answer
X = 12/0.8
Answer:A C B B
Step-by-step explanation: i had did this before
Let us assume rent for a child = $x per hour and
Rent for an adult = $ y per hour.
We are given number of children = 3.
Number of adults = 1.
Rent for 3 children at the rate $x per hour = 3*x = 3x.
Rent for 1 adult at the rate $y per hour = 1*y = y.
We are given number of hours of rafting trip = h hours.
Total cost of 3 children and 1 adult for h hours =h times (Cost of 3 children and 1 adult for each hour).
= h*(3x+y).
Therefore, h(3x+y) is the final expression for the total cost of h hours of rafting trip.
If you are given values of x, y or h, you can plug those values in this expression.
Answer: TRUE
Step-by-step explanation: The number 3 is an upper bound because use 3 as a multiplyer of each bcoefficient of the polynomial and at each multiple,subtract the next coefficient from it. if all result after subtraction show positive, then the number used is an upper bound. This method is known as the synthetic division.
3 3 -5 -5 5 2
0 9 12 21 78
3 4 7 26 80
