Question 192692
The mean weight of adult mountain lions is 150lbs with a standard deviation of 8 lbs. A random sample of 50 mountain lions is selected. 
a) What is the probability that the mean weight of the sample is less that 150 lbs? Ans: 0.5000
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b) What is the probability that the mean weight of the sample is between 149 and 151 lbs? Ans: 0.09948...
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c) What is the probability that the mean weight of the sample is more than 153lbs? 0.35393..
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What is the standard deviation of the sampling distribution?
Ans: 8/sqrt(50) = 1.13137..
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Cheers,
Stan H.