Answer:
The expected number of siblings is 1.05 or 1 (when rounded)
Step-by-step explanation:
Given the probability distribution of siblings of students in a high school with 1500 students:
To find the expected value for the number of siblings of a randomly chosen student, myltiply the number of siblings by its probability and add all these products:
Thus, the expected number of siblings is 1.05 or 1 (when rounded)
Answer:
hello
Step-by-step explanation:
hello
Answer:
Option a.
Step-by-step explanation:
You have the following limit:
The method of direct substitution consists of substituting the value of in the function and simplifying the expression obtained.
We then use this method to solve the limit by doing
Therefore:
By definition, any number raised to exponent 0 is equal to 1
So
Finally
z= 2y-4x ok i hope this helps.
9514 1404 393
Answer:
$86.21
Step-by-step explanation:
The selling price of the shoes ($125) is the sum of the wholesale price and the markup on that price:
selling price = wholesale price + 0.45 × wholesale price
125 = p + 0.45p = 1.45p
p = 125/1.45 ≈ 86.21
The wholesale price of the shoes is about $86.21.