I'm not sure how to complete the last three sections Consider a paint-drying situation in which drying time for a test specimen is normally distributed with o =7. The hypotheses Ho: µ = 74 and H: u < 74 are to be tested using a random sample of n = 25 observations.(a) How many standard deviations (of X) below the null value is x = 72.3? (Round your answer to two decimal places.)1.21standard deviations(b) If x = 72.3, what is the conclusion using a = 0.006?Calculate the test statistic and determine the P-value. (Round your test statistic to two decimal places and your P-value to four decimal places.)Z = |-1.21P-value =.113State the conclusion in the problem context.Do not reject the null hypothesis. There is sufficient evidence to conclude that the mean drying time is less than 74.Reject the null hypothesis. There is sufficient evidence to conclude that the mean drying time is less than 74.Reject the null hypothesis. There is not sufficient evidence to conclude that the mean drying time is less than 74.Do not reject the null hypothesis. There is not sufficient evidence to conclude that the mean drying time is less than 74.(c) For the test procedure with a =0.006, what is B(70)? (Round your answer to four decimal places.)B(70).0494(d) If the test procedure with a = 0.006 is used, what n is necessary to ensure that B(70) = 0.01? (Round your answer up to the next whole number.)%3Dn =specimens(e) If a level 0.01 test is used with n =100, what is the probability of a type I error when u = 76? (Round your answer to four decimal places.)

c) Type II Error: The type II error occurs if “fail to reject the null hypothesis if the null…

Consider a paint-drying situation in which drying time for a test specimen is normally distributed witho = 7. The hypotheses Ho: H = 74 and H: H< 74 are to be tested using a random sample of n = 25 observations (a) How many standard deviations (of X) below the null value is x = 72.3? (Round your answer to two decimal places.) 1.21 v standard deviations (b) If x = 72.3, what is the conclusion using a = 0.006? Calculate the test statistic and determine the P-value. (Round your test statistic to two decimal places and your P-value to four decimal places.) z- -1.21 P-value = .113

Consider a paint-drying situation in which drying time for a test specimen is normally distributed witho = 7. The hypotheses Ho: H = 74 and H: H< 74 are to be tested using a random sample of n = 25 observations (a) How many standard deviations (of X) below the null value is x = 72.3? (Round your answer to two decimal places.) 1.21 v standard deviations (b) If x = 72.3, what is the conclusion using a = 0.006? Calculate the test statistic and determine the P-value. (Round your test statistic to two decimal places and your P-value to four decimal places.) z- -1.21 P-value = .113

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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Question

I'm not sure how to complete the last three sections

Consider a paint-drying situation in which drying time for a test specimen is normally distributed with o =
7. The hypotheses Ho: µ = 74 and H: u < 74 are to be tested using a random sample of n = 25 observations.
(a) How many standard deviations (of X) below the null value is x = 72.3? (Round your answer to two decimal places.)
1.21
standard deviations
(b) If x = 72.3, what is the conclusion using a = 0.006?
Calculate the test statistic and determine the P-value. (Round your test statistic to two decimal places and your P-value to four decimal places.)
Z = |-1.21
P-value =
.113
State the conclusion in the problem context.
Do not reject the null hypothesis. There is sufficient evidence to conclude that the mean drying time is less than 74.
Reject the null hypothesis. There is sufficient evidence to conclude that the mean drying time is less than 74.
Reject the null hypothesis. There is not sufficient evidence to conclude that the mean drying time is less than 74.
Do not reject the null hypothesis. There is not sufficient evidence to conclude that the mean drying time is less than 74.
(c) For the test procedure with a =
0.006, what is B(70)? (Round your answer to four decimal places.)
B(70)
.0494
(d) If the test procedure with a = 0.006 is used, what n is necessary to ensure that B(70) = 0.01? (Round your answer up to the next whole number.)
%3D
n =
specimens
(e) If a level 0.01 test is used with n =
100, what is the probability of a type I error when u = 76? (Round your answer to four decimal places.)

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