Q3: TRUE OR FALSE You roll three fair dice -- one with seven sides (numbered 1...
Q3:
TRUE OR FALSE
You roll three fair dice -- one with seven sides (numbered 1 to 7),
one with eight sides (numbered 1 to 8), and one with nine sides
(numbered 1 to 9).
X = number of dice showing odd numbers facing up.
i)There are a fixed number of trials, n.
2)Each trial can be categorized as being either a success or a failure (two outcomes), and X counts the number of successes.
3)The probability of success p stays the same from trial to trial.
4)Trials are independent of each other (that is, success or failure on one trial doesn't affect the probability of success or failure on any other trial).
-------------
Q4:Weights of apples sold in a grocery store follow a normal
distribution with mean 150 grams and standard deviation 20 grams.
You take a random sample of five apples.
X = number of apples heavier than 175 grams.
i)There are a fixed number of trials, n.
2)Each trial can be categorized as being either a success or a failure (two outcomes), and X counts the number of successes.
3)The probability of success p stays the same from trial to trial.
4)Trials are independent of each other (that is, success or failure on one trial doesn't affect the probability of success or failure on any other trial).
Homework Answers
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Q3:
TRUE OR FALSE
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