Answer: 5%
Step-by-step explanation:
Probability for any event = 
Given: Number of defective calculators = 25
Total calculators = 500
The probability that a calculator chosen at random will be defective= 
Hence, the required probability = 5%
Answer:
For this case we have an exponential function of the form:
Where,
A: original cost
b: rate of change
x: number of years
Therefore, replacing values we have:
Answer:
the value, after 7 years, of a 2014 Ford Mustang is:
y=13946
See attached picture for the answers:
Answer:
It is a negative correlation there is one outlier, it is going from the top left to the bottom right. a line could be drawn through it. it could be linear but i would say non linear.
Step-by-step explanation:
Answer: Option 'C' is correct.
Step-by-step explanation:
Since we have given that
A pollster uses a computer to generate 500 random numbers, then interviews the voters corresponding to those numbers.
Since Random sampling includes putting all names into a bowl and draw certain names. .In this type of sampling, each and every elements has equal chance of occuring.
Cluster sampling includes dividing the population into groups specially geographically and these groups are called clusters and in which each element of selected group are used.
Stratified sampling divides into group known as strata but not geographically.
This type of sampling that is used is Stratified sampling.
Hence, Option 'C' is correct.
