Question 9Assume that a sample is used to estimate a population mean u. Find the 80% confidence interval for asample of size 75 with a mean of 60.6 and a standard deviation of 21.8. Enter your answer as an open-interval (i.e., parentheses) accurate to 3 decimal places.80% C.I.The answer should be obtained without any preliminary rounding. Question 10>In a survey, 18 people were asked how much they spent on their child's last birthday gift. The results wereroughly bell-shaped with a mean of $31.8 and standard deviation of $8.6. Estimate how much a typicalparent would spend on their child's birthday gift (use a 98% confidence level). Give your answers to 3decimal places.Express your answer in the format of ± E.$4

From the provided information, Sample size (n) = 75 Sample mean (x̅) = 60.6 Standard deviation (s) =…

Assume that a sample is used to estimate a population mean u. Find the 80% confidence interval for a sample of size 75 with a mean of 60.6 and a standard deviation of 21.8. Enter your answer as an open- interval (i.e., parentheses) accurate to 3 decimal places. 80% C.I. =

Assume that a sample is used to estimate a population mean u. Find the 80% confidence interval for a sample of size 75 with a mean of 60.6 and a standard deviation of 21.8. Enter your answer as an open- interval (i.e., parentheses) accurate to 3 decimal places. 80% C.I. =

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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