Suppose Z follows the standard normal distribution. Use the calculator provided, or this table, to determine the value of c so that the following is true.P(Z≤c) = 0.2709Carry your intermediate computations to at least four decimal places. Round your answer to two decimal places.0X

Answered: Suppose Z follows the standard normal…

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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Assume that a randomly selected subject is given a bone density test. Bone density test scores are normally distributed with a mean of 0 and a standard deviation of 1. Draw a graph and find P, the 11th percentile. This is the bone density score separating the bottom 11% from the top 89%. Which graph represents P ? Choose the correct graph below. O A. O B. OD. P11 P11 P11 P11 The bone density score corresponding to P1 is (Round to two decimal places as needed.) Click to select your answer(s). APR tv MacBook Air F9 F10 LLA 20 F3 F6 F8 F4 F5 F1 F2 & #3 7 8. %24
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In the US, 46.2% of all people have type O blood, 39.1% have type A blood, 10.4% have type B blood and 4.3% have type AB blood. A researcher wants to see if the distribution of blood type is different for millionaires. The table below shows the results of a random sample of 3116 millionaires. What can be concluded at the a = 0.01 significance level? a. Complete the table by filling in the expected frequencies. Round to the nearest whole number: Frequencies of Blood Type Outcome Frequency Expected Frequency 1434 A 1224 В 310 AB 148 b. What is the correct statistical test to use? Select an answer V c. What are the null and alternative hypotheses? Но: O Blood type and income are independent. O The distribution of blood type for millionaires is not the same as it is for Americans in general. O The distribution of blood type for millionaires is the same as it is for Americans in general. O Blood type and income are dependent.
The discharge of suspended solids from a phosphate mine is normally distributed, with a mean daily discharge of 27 milligrams per liter (mg/l) and a standard deviation of 14 mg/l. On what proportion of days will the daily discharge exceed 60 mg/l? (Round your answer to four decimal places.) X USE SALT
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
Q.4 F
NEED ASAP Indicate the units and draw the graph. Round off to four decimals or in lowest term if fraction.
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find the standard deviation based on the following given where you have three states: good, average and poor where Ps are 30%,50% and 20% and Rs are 20%, 15% and -4% respectively-? a. 0.0074 b. 0.0278 c. 0.127 d. 0.167
In each part, find the area under the standard normal curve that lies between the specified z-score, sketch a standard normal curve, and shade the area of interest. b. -2 and 2 c. - 3 and 3 a. - 1 and 1 a. Find the area under the standard normal curve that lies between - 1 and 1, sketch a standard normal curve, and shade the area of interest. The area under the standard normal curve that lies between - 1 and 1 is (Type an integer or decimal rounded to four decimal places as needed.)
Round answers to 4 decimal places. Draw graphs and include functions where appropriate.2. The scores on a standardized exam are normally distributed with a mean of 74 and standard deviation of 7.32. Let X = one exam score.a. Write the distribution of Xb. Find the probability a randomly selected exam has a score higher than 80.c. Find P97
Round answers to 4 decimal places. Draw graphs and include functions where appropriate.1. According to a study, the height for Asian adult males is normally distributed with an average of 66 inches and a standard deviation of 2.5 inches. Suppose one Asian adult male is randomly chosen. Let X = height of the individual.a.Write the distribution of Xb. Find the probability that the person is between 65 and 69 inches.c. The middle 40% of heights fall between what two values?

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Suppose Z follows the standard normal distribution. Use the calculator provided, or this table, to determine the value of c so that the following is true. P(Z≤c) = 0.2709 Carry your intermediate computations to at least four decimal places. Round your answer to two decimal places. 0 X S