Answer:
3 down 2 right
Step-by-step explanation:
Answer:
The score is
Step-by-step explanation:
From the question we are told that
The population mean is
The standard deviation is
From the question we are told that the score follow a normal distribution
i.e
The proportion of score in the top 10% is mathematically
Where x is the minimum score required to be in the top 10%
Now the
So
So
So the critical value of 0.10 from the normal distribution table is
So
Answer: a.
b. $900
c. $150
Step-by-step explanation:
Given: The value of laptop decreases $150 each year .It means it is a linear function.
If after 2 years the laptop is worth $600.
Then the original value of laptop=
Now, Let V be the value of the laptop x years after it is purchased.
Then will be the required equation .
To find the value of the laptop 5 years after it is purchased, put x=5 in the equation, we get
Thus, the value of laptop after 5 years = $150