Martinakom

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Category > Math Posted 27 Aug 2017 My Price 9.00

A fair coin is flipped 9 times. What is the probability of getting exactly 6 heads?

9. I have a whole collection of 5 ancient gold coins. Their weights, in ounces, are 23.1, 18.6, 33.5, 12.4, and 27.1.

a. (2 point) What is the mean weight of my ancient gold coins?

b. (2 point) How do you consider this collection, a population or a sample? Why?

c. (4 points) What is the standard deviation in weight of my coin collection?

10. There are 31 participants in a special high-adventure camp. Following is a list of the age of the participants.

16, 18, 13, 24, 17, 17, 18, 14, 14, 16, 14, 20, 22, 21, 15

11, 13, 26, 27, 13, 16, 17, 17, 14, 19, 15, 17, 16, 19, 19, 28

a. (4 points) Create a frequency distribution of the participants' ages with a class width of 2 (such as 10 to 11.99, 12 to 13.99 ...), and another with class width of 5 (such as 10 to 14.99, 15 to 19.99 ...).

b. (4 points) Construct a histogram of the participants' age with a class width of 2 and another with a class width of 5.

 

I also attached a file I need help with. Thank you

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Martinakom
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Status NEW Posted 27 Aug 2017 10:08 AM My Price 9.00

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