What name accurately describes the figure shown below and why?
1 answer:
You might be interested in
Answer:
(D)0.9836
Step-by-step explanation:
There are 365 days in a year.
Since each person has a different birthday:
- We can choose a birthday for the first person 365 out of 365 days.
- We can choose a birthday for the second person 364 out of 365 days.
- We can choose a birthday for the third person 363 out of 365 days.
- We can choose a birthday for the fourth person 362 out of 365 days.
Therefore,
P(4 randomly selected people all have different birthdays)
Answer:
In 2013 there were approximately 2.2 million cars for sale.
Step-by-step explanation:
Since the number of cars is decreasing by 23% per year, it is a decay model. This types of decay can be expressed in the following expression:
Where x is the year, cars(2007) is the number of cars in 2007. Applying this data we have:
If we want to know the number of cars in 2013, we need to apply that value to x and solve the expression.
In 2013 there were approximately 2.2 million cars for sale.