Answer: Around 584 people would have to get a haircut at 30$, if you are looking for 17,510$
Step-by-step explanation:
The percentage of runners having times less than 14.4 sec is 0.15%. Then the correct option is A.
<h3>What is normal a distribution?</h3>
It is also called the Gaussian Distribution. It is the most important continuous probability distribution. The curve looks like a bell, so it is also called a bell curve.
The times of all 15-year-olds who run a certain race are approximately normally distributed with a given mean (μ) = 18 sec and standard deviation (σ) = 1.2 sec.
The runners have times less than 14.4 sec.
The z-score is a numerical measurement used in statistics of the value's relationship to the mean of a group of values, measured in terms of standards from the mean.
Then the Percentage will be
More about the normal distribution link is given below.
brainly.com/question/12421652
Log9 =2
3
because logz =y when x^y = z
x
Let R = greatest number of rectangular lots.
R = (910 • 300)/(120 • 65)
R = 273,000 ÷ 7800
R = 35
Answer:
15 laps
Step-by-step explanation
Because if you multiply 1/2 and 30 it would make 15 laps I hope you Like my answer