Mathematics, 15.04.2020 22:02 KylieAnne
A random sample of 36 observations has been drawn from a normal distribution with mean 50 and standard deviation 12. Find the probability that the sample mean is in the interval 47≤X¯≤53. (Express the result to four significant digits.) Enter your answer in accordance to the question statementEnter your answer in accordance to the question statement
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Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.
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If the car had not hit the fence, how much farther would it have skidded? solve the skid-distance formula to find the extra distance that the car would have traveled if it had not hit the fence. round your answer to two decimal places. note that unit conversion is built into the skid distance formula, so no unit conversions are needed.
Answers: 2
A random sample of 36 observations has been drawn from a normal distribution with mean 50 and standa...
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