Answer:
A.
Step-by-step explanation:
each one is $1.03
so if you want 2 stamps they would be $2.06
Answer:
B
............................
Answer:B and E
Step-by-step explanation:
Answer:

Step-by-step explanation:
To find the slope, rearrange the equation to y=mx+b or y=mx+c.

Subtract 4x from both sides:

Divide 5 on both sides:


In the equation of y=mx+b/y=mx+c, m will be the slope.
Therefore, the slope is 
Answer:
The amount of money separating the lowest 80% of the amount invested from the highest 20% in a sampling distribution of 10 of the family's real estate holdings is $238,281.57.
Step-by-step explanation:
Let the random variable <em>X</em> represent the amount of money that the family has invested in different real estate properties.
The random variable <em>X</em> follows a Normal distribution with parameters <em>μ</em> = $225,000 and <em>σ</em> = $50,000.
It is provided that the family has invested in <em>n</em> = 10 different real estate properties.
Then the mean and standard deviation of amount of money that the family has invested in these 10 different real estate properties is:

Now the lowest 80% of the amount invested can be represented as follows:

The value of <em>z</em> is 0.84.
*Use a <em>z</em>-table.
Compute the value of the mean amount invested as follows:


Thus, the amount of money separating the lowest 80% of the amount invested from the highest 20% in a sampling distribution of 10 of the family's real estate holdings is $238,281.57.