SOLUTION: What is the probability that a normal random variable with mean 6 and
standard deviation 3 will fall between 5.7 and 7.5 ?
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Question 1150701: What is the probability that a normal random variable with mean 6 and
standard deviation 3 will fall between 5.7 and 7.5 ?
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
Look up on a z-table. The result is . This means there is a probability the random variable will be below .
Look up on a z-table. The result is . The means there is a probability the random variable will be below .
The find the probability the random variable will be between and , simply the two probabilities we found (above) from one another:
So, there is a probability the random variable will fall between and .
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