The first-serve percentage of a
tennis player in a match is normally distributed with a standard deviation of
4.3%. If a sample of 15 random matches of
the player is taken, the mean
first-serve percentage is found to be 26.4%. The margin of error of the sample
mean is 83.71%.
Answer:
I think it could be 8+6+y
Step-by-step explanation: I dont really know but dont delete this. Can I be Brainlyest please?
Answer:

Step-by-step explanation:
$1800 is spent on a washing machine. This number never changes, so we just need to add that to our annual total
$89 is spent every year. This means that this number needs to be with our variable, x, as it is dependent on the number of years that occur. When we put these two things together, we get the following equation:

The answer is f(x)=-2/3x-2 or the 3d down from the top
In order to write 25 letters in 4 days you would need to write 6.25 a day