Questions by Rod Lima

Questions by Rod Lima

Suppose that X is a random variable with mean 20 and standard deviation 5. Also suppose that Y is a random variable with mean 40 and standard deviation 10. Find the variance and standard deviation of the

asked Nov 28, 2018

1 answer

1 vote

204k views

The sparse area surrounding a spiral galaxy is called a

asked Nov 14, 2018

2 answers

0 votes

1.1k views

Do you think human societies are characterized more by competition or cooperation?

asked Jul 2, 2018

2 answers

1 vote

93.9k views

Of the following minerals which one can be found in trace amounts in the human body? Chlorine Sodium Iron Calcium

asked Jan 2, 2018

2 answers

1 vote

49.1k views

"Sundays too my father got up early and put his clothes on in the blueblack cold, then with cracked hands that ached from labor in the weekday weather made banked fires blaze. No one ever thanked him."

asked Oct 6, 2017

2 answers

4 votes

77.5k views

Wind is related to the movement of warm and cold air masses. Which kind of heat transfer does this represent? A. radiation B. conduction C. convection D. absorption

asked Mar 9, 2017

2 answers

4 votes

110k views

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