Suppose that X is normally distributed with mean 105 and standard deviation 12.
A. What is the probability that X is greater than
126.24?
What value of X does only the top 11% exceed?
Suppose that X is normally distributed with mean 105 and standard deviation 12. A. What is...
Suppose that X is normally distributed with mean 105 and standard deviation 16. A. What is the probability that X is greater than 131.4? B. What value of X does only the top 11% exceed?
Suppose that X is normally distributed with mean 95 and standard deviation 13. A. What is the probability that X is greater than 113.72? Probability = B. What value of X does only the top 14% exceed? X =
Suppose that ? is normally distributed with mean 85 and standard deviation 16. A. What is the probability that ? is greater than 104.2? Probability = B. What value of ? does only the top 12% exceed? ? =
Suppose that ? is normally distributed with mean 115 and standard deviation 15. A. What is the probability that ? is greater than 134.8? Probability = B. What value of ?X does only the top 14% exceed? ? =
(1 point) Suppose that X is normally distributed with mean 120 and standard deviation 14. A. What is the probability that X is greater than 140.58? Probability = B. What value of X does only the top 14% exceed? X =
Suppose that X is normally distributed with mean 100 and standard deviation 25. A. What proportion of X is greater than 142? (Provide answer rounded to four decimal places.) Proportion = B. What value of X does only the top 15% exceed?
Suppose that XX is normally distributed with mean 75 and standard deviation 22. A. What proportion of XX is greater than 106.46? (Provide answer rounded to four decimal places.) Proportion = B. What value of XX does only the top 16% exceed? XX =
6.33 Let x be a continuous random variable that is normally distributed with a mean of 25 and a standard deviation of 6. Find the probability that x assumes a value a. between 28 and 34 b. between 20 and 35 6.34 Let x be a continuous random variable that has a normal distribution with a mean of 30 and a stan- dard deviation of 2. Find the probability that x assumes a value a. between 29 and 35 b....
IQ is normally distributed with a mean of 100 and a standard deviation of 15. Suppose one individual is randomly chosen. Let X = IQ of an individual Find the probability that the person has an IQ greater than 115. Write the probability statement P(___) What is the probability? (Round your answer to four decimal places.)
7. Suppose that the width of pebbles in a river is normally distributed with mean of 12.1 mm and standard deviation of 3.2 mm. a. What is the probability that X is smaller than 11? b. A random sample of 12 pebbles is taken. What is the probability that X-bar < 11?