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MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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With Ha : μ ≠≠ 153 you obtain a test statistic of z=−2.749z=-2.749. Find the p-value accurate to 4 decimal places.
p-value=
With Ha : μ ≠≠ 180 you obtain a test statistic of z=2.863z=2.863. Find the p-value accurate to 4 decimal places.
p-value=
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- A population of N=15 has a mean =8 one score in the population is changed from X=20 to X-5.What is the value for thr new population mean?arrow_forwardI need help learning how to solve this with a TI-84 calculator and a table of normal values. No excel or R please.arrow_forwardWhat proportion of Z-scores are outside the interval Z = −0.12 and Z = 0.12? Round to 4 decimal places. hint:outside the interval means the proportion Z- scores below z=-2.2 plus the proportion of z- scores above z=2.2 last person got this wrongarrow_forward
- What is the x-bar calculated to 2 decimal placesarrow_forwardA survey of 200 senior citizens was undertaken and it was found that 26 of them had the flu vaccine this year. Do these data suggest that the proportion of senior citizens who get the flu vaccine is significantly less than 21 % ? Test at a = 0.10. Round your answers to three decimal places, and round any interim calculations to four decimal places. What is the test statistic? -2.7778 Using your answer from the previous question, find the p-value. .0027 What is the critical value for this test? Part 2 of 3arrow_forwardCalculate the t-value for a mean for the following u – u0 = 15.00n = 25sx = 10.00arrow_forward
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