Find the following z values for the standard normal variable Z. (You may find it useful to reference the z table. Negative valuesshould be indicated by a minus sign. Round your answers to 2 decimal places.)a P(Z ≤ z)= 0.9068b. P(Z > z) = 0.679C. P(-z≤ Z≤ z) = 0.75d. P(0 ≤ Z≤ z) = 0.46290.97

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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On average, Upstate Chevrolet sells 20 cars each week, with a standard deviation of 2. How many cars sold represents 2 standard deviations above the mean? Answer How many cars sold represent 1 standard deviation below the mean? Answer Approximately 68% will fall between Answer and Answer . Approximately 99.7% will fall between Answer and Answer . What is the probability that the car lot will sell at least 18 cars? Answer % What is the probability that a car lot will sell at most 26 cars? Answer %
Solution: Since we are finding a z-score, we are dealing with the standard normal curve, so the mean is 0 and the standard deviation is 1. Now, to use the MINITAB procedure, we must know the area to the lefty Since the area to the right of the z-score is 0.68, the area to the left is given by 1-0.68 0.32. Input the following to MINITAB: Nd D n Op Out Co Discussion Topics: 1. Copy and paste the inverse cumulative distribution function figure. 2. What is the z-score that has an area of 0.68 to its right?
D=20
Check my work Find the mean and standard deviation for each uniform continuous model. (Round "Mean" answers to 1 decimal place and "Standard deviation" answers to 4 decimal places.) Mean standard deviation a. U(2, 12) b. U(90, 250) C. U(1, 93) Prev 2 of 8 Next
Assume that a randomly selected subject is given a bone density test. Those test scores are normally distributed with a mean of 0 and a standard deviation of 1. Draw a graph and find the probability of a bone density test score greater than 0.42. ← 2 Sketch the region. Choose the correct graph below. OA. R F2 W S X H The probability is (Round to four decimal places as needed.). ommand 0.42 #3 80 F3 E Q D Ľ $ 4 C F4 R F 25 % V B. e F5 T G 0.42 I 6 MacBook Air B Fo Q Q Y H & 7 0 √ F7 U B N O C. 8 V -0.42 0.42 DII - M 1, (1) More ( 9 C K DD F9 O V - ) 0 L F10 P command OD. Time Remaining: 00:18:04 Next ^. ^ -0.42 - - ... I 4 F11 { + "1 [ option = ? 1 I F12 } ] delete L
Please answer a-d question.
Answer d, e, & f.
thank you in advance!!!
Calcular P(-2.33
Help me plzz
Let x = red blood cell (RBC) count in millions per cubic millimeter of whole blood. For healthy females, x has an approximately normal distribution with mean ? = 3.6 and standard deviation ? = 0.6. (a) Convert the x interval, 4.5 < x, to a z interval. (Round your answer to two decimal places.) ____< z(b) Convert the x interval, x < 4.2, to a z interval. (Round your answer to two decimal places.)z < ____(c) Convert the x interval, 4.0 < x < 5.5, to a z interval. (Round your answers to two decimal places.) _____< z < ______(d) Convert the z interval, z < −1.44, to an x interval. (Round your answer to one decimal place.)x < ____(e) Convert the z interval, 1.28 < z, to an x interval. (Round your answer to one decimal place.) ____< x(f) Convert the z interval, −2.25 < z < −1.00, to an x interval. (Round your answers to one decimal place.)_____ < x < ____(g) If a female had an RBC count of 5.9 or higher, would that be considered unusually…
Let x = red blood cell (RBC) count in millions per cubic millimeter of whole blood. For healthy females, x has an approximately normal distribution with mean ? = 3.4 and standard deviation ? = 0.5. Convert the x interval, 4.5 < x, to a z interval. (Round your answer to two decimal places.)____ < zConvert the x interval, x < 4.2, to a z interval. (Round your answer to two decimal places.)z < ____ Convert the x interval, 4.0 < x < 5.5, to a z interval. (Round your answers to two decimal places.)____ < z < ___Convert the z interval, z < −1.44, to an x interval. (Round your answer to one decimal place.)x < ____ Convert the z interval, 1.28 < z, to an x interval. (Round your answer to one decimal place.)____ < xConvert the z interval, −2.25 < z < −1.00, to an x interval. (Round your answers to one decimal place.)____ < x < ___If a female had an RBC count of 5.9 or higher, would that be considered unusually high? Explain using z values.…

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