The right answer is
H=(1)/(2)r+3b-(1)/(4)=
r=2H-6b+(1)/(2)
The proportion of the workers earning more than $13 per hour is greater than the proportion earning less than $13 per hour.
<h3>What is a normal distribution?</h3>
A normal distribution is a probability distribution that is symmetric around the mean of the distribution. This means that the there are more data around the mean than data far from the mean. A normal distribution is also known as the Gaussian distribution. When depicted on a graph, a normal distribution is bell-shaped.
To learn more about a normal distribution, please check: brainly.com/question/25846196
Answer:
220.67 pounds
Step-by-step explanation:
This problem can be treated as a compounded interest with a weekly rate of -1%. Cal's weight after 'n' weeks at a 1% loss rate per week is described by the following expression:

For n = 10 weeks, Cal's weight is:

He expects to weigh 220.67 pounds at the end of the ten weeks.
Answer:
2
Step-by-step explanation:
2x9=18
Just cross multiply to find 18% of 430
18/100 = x/430
430 X 18 = 7740
7740 = 100x
7740/100 = 77.4
so Melcher took about 77 photos.