uf10a. Identify the critical value a/2 used for finding the margin of error1/2-0(Round to two decimal places as needed.)b. Find the margin of errorE-9(Round to one decimal place as needed.)c. Find the confidence interval estimate of µ.<<(Round to one decimal place as needed.)d. Write a brief statement that interprets the confidence interval. Choose the correct answer below.OA. There is a 99% chance that the true value of the population mean weight of newborn girls will fall between the lower bound and the upper bound.B. One has 99% confidence that the interval from the lower bound to the upper bound contains the true value of the population mean weight of newborn girls.OC. One has 99% confidence that the sample mean weight of newborn girls is equal to the population mean weight of newborn girls.OD. Approximately 99% of sample mean weights of newborn girls will fall between the lower bound and the upper bound. Here are summary statistics for randomly selected weights of newborn girls: n = 36, x=3211.1 g, s= 689.4 g. Use aconfidence level of 90% to complete parts (a) through (d) below.

Answered: 4/2=0 (Round to two decimal places as…

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 we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value t/2, (b) find the critical value z,/2, or (c) state that neither the normal distribution nor the t distribution applies. 230, x 32.6 hg, s = 7.9 hg. The confidence level is 90% Here are summary statistics for randomly selected weights of newborn girls: n Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. (Round to two decimal places as needed.) В. Za/2 (Round to two decimal places as needed.) C. Neither the normal distribution nor the t distribution applies.
# E DII C A previous study gave (0.11, 0.23) as a confidence interval for p. Find the minimum sample size required to ensure that your estimate (p) will be within 0.01 of p with 99% confidence. IMPORTANT: Use a critical value that you found with your calculator (not from a table), and round it to 3 places after the decimal point before you plug it into a formula and perform your calculations. Do not round-off any other intermediate results. n = F3 Submit Question $ 4 R F F4 V % 5 T J G F5 6 B Y H F6 & 7 X U N F7 - * PrtScn 8 F8 M K Home 9 F9 O End L F10 P Pg Alt
(1 point) A random sample of 70 observations produced a mean of a 39.5 from a population with a normal distribution and a standard deviation o = 2.14. (a) Find a 95% confidence interval for u (b) Find a 99% confidence interval for (c) Find a 90% confidence interval for
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Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value to/2. (b) find the critical value Zα/2, or (c) state that neither the normal distribution nor the t distribution applies. Here are summary statistics for randomly selected weights of newborn girls: n=218, x = 30.4 hg, s = 7.6 hg. The confidence level is 99%. ... Select the correct choice below and, if necessary, fill in the answer box to complete your choice. OA. ta/2= (Round to two decimal places as needed.) OB. Za/2 (Round to two decimal places as needed.) OC. Neither the normal distribution nor the t distribution applies.
NEED CORRECT SOLUTION FOR THIS ASAP... PLEASE BE FAST AND I'LL RATE POSITIVE FOR SURE.
Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value t,/2. (b) find the critical value z/ 2, or (c) state that neither the normal distribution nor the t distribution applies. The confidence level is 90%, o is not known, and the histogram of 57 player salaries (in thousands of dollars) of football players on a team is as shown.
Use technology to construct the confidence intervals for the population variance o and the population standard deviation o. Assume the sample is taken from a normally distributed population. c= 0.90, s = 5.76, n = 26 The confidence interval for the population variance is ( ). (Round to two decimal places as needed.) The confidence interval for the population standard deviation is ( ). (Round to two decimal places as needed.)
(1 point) A random sample of 110 observations produced a mean of x = 34.7 from a population with a normal distribution and a standard deviation o = 4.39. (a) Find a 99% confidence interval for u (b) Find a 95% confidence interval for (c) Find a 90% confidence interval for u
Please help me confim this information is correct and at the end portion the P val.. does this need to be subtracted by 1. To get the answer since is positive not negative? Thank you so much
Construct the indicated confidence interval for the population mean μ using the t-distribution. Assume the population is normally distributed. c=0.90, x=14.5, s=4.0, n=5 (,) (Round to one decimal place as needed.)

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4/2=0 (Round to two decimal places as needed.) b. Find the margin of error. E-9 (Round to one decimal place as needed.) c. Find the confidence interval estimate of u. <μ< (Round to one decimal place as needed.)