We have a normal distribution with a mean of 11 and a standard deviation of 2. What is the z value of the value 19. Round to three decimal points.
We have a normal distribution with a mean of 11 and a standard deviation of 2....
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) = Need Help? Read It Assume that x has a...
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.
Given a standardized normal distribution (with a mean of O and a standard deviation of 1), complete parts (a) through (d). 5 Click here to view page 1 of the cumulative standardized normal distribution table. E: Click here to view page 2 of the cumulative standardized normal distribution table. The probability that Z is less than 1.51 is 0.9344. (Round to four decimal places as needed.) b. What is the probability that Z is greater than 1.89? The probability that...
1) We know that z has a standard normal distribution with a mean of 0 and standard deviation of 1. The probability that z is less than 1.15 is . Use your z-table and report your answer to four decimal places. 2)A sample of 15 grades from a recent Stats exam has a mean of 69.3 points (out of a possible 100 points) and a standard deviation of 16.5 points. Calculate the z-score for the student who scored 74.1 points on...
For a Normal distribution with mean, μ=2, and standard deviation, σ=4, 30% of all observations have a value less than Round to 4 decimal places.
-Chapter 6 Help The mean of a normal distribution is 530 kg. The standard deviation is 11 kg. Refer to the table in Appendix B.1 (Round the z values to 2 decimal places and the final answers to 4 decimal places a. What is the area between 542 kg and the mean of 530 kg Area b. What is the area between the mean and 517 kg? Area- c. What is the probability of selecting a value at random and...
A normal distribution has a mean of 52 and a standard deviation of 11. What is the median? (Enter an exact number as an integer, fraction, or decimal.)
A normal distribution has a mean of 60 and a standard deviation of 10. Refer to the table in Appendix B.1. Determine the value above which 80 percent of the values will occur. (Round z-score computation to 2 decimal places and the final answer to 2 decimal places.) X
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 = 8; σ = 2 P(7 ≤ x ≤ 11) = 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 = 6.0; σ = 1.4 P(7 ≤ x ≤ 9) = Assume that x has a normal...
Given a standardized normal distribution (with a mean of O and a standard deviation of 1), complete parts (a) through (d). Click here to view page 1 of the cumulative standardized normal distribution table. Click here to view page 2 of the cumulative standardized normal distribution table. a. What is the probability that Z is less than 1.05? The probability that Z is less than 1.05 is 8289 (Round to four decimal places as needed.) b. What is the probability...