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Describe the distribution of San Antonio’s income data, as depicted in the histogram.
Be sure to attach the histogram image here. The following questions should guide your description (Shape, Center, Spread, Outliers):
The histogram is skewed to the right.
Peaks: How many peaks does the histogram have, and where are they located?
Suppose you’re on a game show, and you’re given the choice of three doors: Behind one door is a car; behind the others, goats. You pick a door, say door 1, and the host, who knows what’s behind the doors, opens another door, say door 3, which has a goat. He then says, "Do you want to pick door number 2 or stick with door number 1?"
1. What is your immediate instinct?
Is it to your advantage to switch your choice or stick with it? Discuss/explain why.
I saw in a movie that you should always change your choice. The reasoning is that you start with a $\frac{1}{3}$ chance of picking the right door, but when the host selects a door and gives you an answer, the other door's chance of being the car increases to $\frac{2}{3}$ . My immediate instinct would say that when the door is opened that the chances of being correct are 50%-50%, but in reality its 33.3%-66.6%.
1. Go through the data sets and organize them in a frequency/relative frequency table. Check that your table satisfies the conditions of a probability distribution. (Round to 3 decimals 0.xxx)
List at least 5 ways that you used your home’s water this week.
Laundry
Dishwater
Coffee
Sink
Sprinklers
An important EPA regulation is the Lead and Copper Rule: No more than 10% of households can have prominent lead levels (defined as >15 parts per billion) in their water. Lead contamination can cause many health issues. Imagine your water failed this rule, and the issue wouldn’t be fixed for several years. Discuss how would your life change in some ways and the health risks that will impact you/your family?
What is the general trend shown in the chart shown from the weather station at Punta Arenas? How does
this support Crichton’s skepticism of global warming?
It shows that the mean tempurature has fallen since 1888 to 2004 which shows a data point validating his hypothesis.
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