Answer: The percentage of parents who use cloth diapers in the sample is the statistic.
Step-by-step explanation:
- A statistic is the measure of a particular characteristic in the sample which is nothing but a subset of population.
Here, the concern is to estimate the percentage of parents who use cloth diapers.
He took a sample of 125 parents to enquiry whether or not they use cloth diapers.
So, the percentage of parents who use cloth diapers 9in the sampl is the statistic.
We can use quadratic formula to determine the roots of the given quadratic equation.
The quadratic formula is:

b = coefficient of x term = 12
a = coefficient of squared term = 4
c = constant term = 9
Using the values, we get:
So, the correct answer to this question is option B
Answer:
No solution
Step-by-step explanation:
There are no values of x that make the equation true.
I'd suggest getting a Texas Instruments TI-84 plus calculator or use des mos .com scientific
Answer:
9/11
Step-by-step explanation:
Well we know there are 55 students in total and only 45 of them can either play a string or brass instrument.
So 45/55 is 9/11
Thus probably is 9/11 of a randomly selected student who plays either a string or brass.