for a normal distribution with a mean 219 and a standard deviation of 40, what is...
Given a normal distribution, X, with mean, 135, and standard deviation, sigma = 40. Fill the blank space. A. What is the X value with Z-score equal to z = -2.39? __________ B. What is the probability of X is less than or equal to 45.3? _________ %
Consider a normal distribution with mean 25 and standard
deviation 5. What is the probability a value selected at random
from this distribution is greater than 25? (Round your answer to
two decimal places.)
Assume that x has a normal distribution with the specified
mean and standard deviation. Find the indicated probability. (Round
your answer to four decimal places.)
μ = 14.9; σ = 3.5
P(10 ≤ x ≤ 26) =
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Assume that x has a...
A normal distribution of scores has a mean of 240 and a standard deviation of 40. 1. What score separates the top 40% of the scores from the rest? 2. What score corresponds to the 90th percentile?
1) a normal distribution has a mean of 84 and standard deviation of 6 . find the z score corresponding to an x value of 76 2) a normal distribution has a mean of 55 and standard deviation of 2.7 . find the z score corresponding to an x value of 62
Suppose Z has a standard normal distribution with a mean of 0 and a standard deviation of 1. The probability of 0.3483 corresponds to Z value being larger than what value? 0.39 -1.81 0.00 -0.39
1. Giving a normal distribution with mean mu=35 and standard deviation sigma = 10 where the probability that x is less than x0 is p0 = 0.95 what is the value for x0. 2.Giving a normal distribution with mean mu=35 and standard deviation sigma =10 where the probability that x is greater than x0 is 0.10. 3. Giving a normal distribution with mean mu=40 and standard deviation sigma = 10 where the probability that x0<x<x1 = 0.9. What is the...
We have a normal distribution with a mean of 81 and a standard deviation of 14. What is the Z value if the value 55?
For a normal distribution with a mean of 86 and a standard deviation of 5, the value 93 has a z value of Answer . Round to 1 decimal place.
For a normal distribution with a mean of 6 and a standard deviation 6, the value 9 has a z value of ___?
2. What are the parameters (Mean and standard deviation) for a standard normal distribution? 3. Find the critical value for Zoo 4. Find the z score that would give us the area in the right 30% of the standard normal curve. 5. Find the area to the left of z = -0.42. Draw a standard normal curve of the region described. 6. Find the area to the right of z=0.89. Draw a standard normal curve of the region described. 7....