Answer: 3
Step-by-step explanation:
The missing number to the letter N is 8
<span>if you have 21 bins then the 'middle bin' is bin 11 (starting at 1)
So the 'mean' of this distribution is 11.
The SD is 3
so using the above calculator (or your own tables ) you get that the probability of a ball being in bin 7 or less is .091
A is you answer
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Answer:
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Step-by-step explanation:
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