Answer:
0.57926
Step-by-step explanation:
We have been given that the capacity of an elevator is 15 people or 2385 pounds. The people have weights that are normally distributed with a mean of 165 lb and a standard deviation of 30 lb. We are asked to find the probability that a randomly selected person has a weight greater than 159 pounds.
First of all, we will find z-score corresponding to 159 using z-score formula.
Now, we need to find area under normal distribution curve that is greater than z-score of as:
Using formula , we will get:
Therefore, the probability that if a person is randomly selected, his weight will be greater than 159 pounds, is 0.57926.
Answer:
its the second option
Step-by-step explanation:
u can search for the formula for a right trapezoid and then solve it
Either 1 or 3 - 1 is all positive and 3 is all negative
if there is any there should not be tho
The formula for simple interest is: Total amount = Principal ( loan amount) x (1 + interest rate x time (years).
Using the given information you have:
Total = 7540 x (1 + 0.065 x 2.5)
Total = 7540 x (1 + 0.1625)
Total = 7540 x 1.1625
Total = $8,765.25