Calculate the standard score of the given x value, x=46.3, where μ=48.3, σ=3.9. Round your answer to two decimal places.
Calculate the standard score of the given x value, x=46.3, where μ=48.3, σ=3.9. Round your answer...
Calculate the standard score of the given x value, x=90.1 , where μ=82.3 , σ=5.9 . Round your answer to two decimal places.
Calculate the standard score of the given X value, X=89.7, where μ=88.2 and σ=89.4 and indicate on the curve where z will be located. Round the standard score to two decimal places.
Given μ=400 and σ=50, compute the z score for an observation of x^i=463 Round your final answer to three decimal places.
A population of values has a normal distribution with μ=90.9 μ=90.9 and σ=46.3 σ=46.3 . You intend to draw a random sample of size n=69 n=69 . Find the probability that a single randomly selected value is between 78.6 and 89.8. P(78.6 < X < 89.8) = Find the probability that a sample of size n=69 n=69 is randomly selected with a mean between 78.6 and 89.8. P(78.6 < M < 89.8) = Enter your answers as numbers accurate to...
79.6 and σ 83.2 and indicate on the curve where z will be located. Round the standard Calculate the standard score of the given X value. X-8 score to two decimal places. 9. here μ m Tables Keypad Answer The point can be moved by dragging or using the arrow keys. Select the Reset button to reset the point Reset
Calculate the standard deviation σ of X for the probability distribution. (Round your answer to two decimal places.) σ = x −20 −10 0 10 20 30 P(X = x) 0.1 0.2 0.4 0.1 0 0.2
Assume that z is the test statistic. (a) H0: μ = 22.5, Ha: μ > 22.5; x = 25.8, σ = 6.2, n = 36 (i) Calculate the test statistic z. (Round your answer to two decimal places.) (ii) Calculate the p-value. (Round your answer to four decimal places.) (b) H0: μ = 200, Ha: μ < 200; x = 191.1, σ = 33, n = 27 (i) Calculate the test statistic z. (Round your answer to two decimal places.)...
H0: μ = 12.4, Ha: μ ≠ 12.4; x = 10.2, σ = 3.7, n = 20 (i) Calculate the test statistic z. (Round your answer to two decimal places.) (ii) Calculate the p-value. (Round your answer to four decimal places.)
Given that x is a normal variable with mean μ = 49 and standard deviation σ = 6.2, find the following probabilities. (Round your answers to four decimal places.) P(50 ≤ x ≤ 60)
Consider a normal population with μ = 37 and σ = 4.3. Calculate the z-score for an x of 48.5 from a sample of size 11. (Give your answer correct to two decimal places.) You may need to use the appropriate table in Appendix B to answer this question.