Find the minimum sample size n needed to estimate u for the given values of c, o, and E.c = 0.90, o = 9.9, and E = 2Assume that a preliminary sample has at least 30 members.(Round up to the nearest whole number.)n =

We assume that a preliminary sample has atleast 30 members. Thus, we can apply the Central Limit…

Answered: Find the minimum sample size n needed…

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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A legal case rested on whether a patent witness' signature was written on top of key text in a notebook or under the key text. The zinc measurements for three notebook locations on a text line, on a witness line, and on the intersection of the witness and text line-are provided in the table below. Complete parts a through c below. Text line Witness line 0.319 0.384 0.327 Intersection Find the test statistic. HT-1400 0.321 0.307 0.327 t = (Round to two decimal places as needed.) Find the p-value. p-value= (Round to three decimal places as needed.) a. Use a test (at a = 0.02) to compare the mean zinc measurement for the text line with the mean for the intersection. Let μ represent the mean zinc measurement for the text line, let uw represent the mean zinc measurement for the signature of a patent witness, and let μ, represent the mean zinc measurement for the intersection line. Select the correct hypotheses below. OA. Ho: HT-Hw=0, H₂: HT μ₁0 OB. Ho: HT-H₁0, H₂: HT-H₁0 O C. Ho: HT-HW = 0,…
For the population whose distribution is E random sample of size n = 38 are repeatedly taken. 8 Find the following. Round to four decimals if needed. Answers of 0 and 1 are possible due to rounding. a. P(ī 8.1) c. The value of a such that P(@ > a) = 0.04 : Submit Question or
The pulse rates of 154 randomly selected adult males vary from a low of 44 bpm to a high of 112 bpm. Find the minimum sample size required to estimate the mean pulse rate of adult males. Assume that we want 98% confidence that the sample mean is within 4 bpm of the population mean. Complete parts (a) through (c) below. a. Find the sample size using the range rule of thumb to estimate o. (Round up to the nearest whole number as needed.) b. Assume that o = 12.4 bpm, based on the value s 12.4 bpm from the sample of 154 male pulse rates. (Round up to the nearest whole number as needed.) c. Compare the results from parts (a) and (b). Which result is likely to be better? The result from part (a) is the result from part (b). The result from is likely to be better because the same size as smaller than larger than Enter your answer in each of the answer boxes. esc 24 delete 4. Q W E T tab return F G J S caps lock C V shift 00 HI B #3
A sample of n=9 scores is obtained from a population with μ=45 and σ=6. If the sample mean corresponds to a z-score of 1.00, then what is the value of the sample mean? A. M=45 B. M=40 C. M=47 D. M=43
The pulse rates of 140 randomly selected adult males vary from a low of 45 bpm to a high of 121 bpm. Find the minimum sample size required to estimate the mean pulse rate of adult males. Assume that we want 99% confidence that the sample mean is within 2 bpm of the population mean. Complete parts (a) through (c) below. a. Find the sample size using the range rule of thumb to estimate o. n= (Round up to the nearest whole number as needed.)
Given: σ = 0.9, δ = 3.25 − 3, α = 0.05 , Zα/2 = z0.025 What sample size would be required to detect a true mean, If we wanted the power to be at least 0.85?
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2.
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Find the minimum sample size n needed to estimate µ for the given values of c, o, and E. c = 0.90, o = 9.9, and E= 2 Assume that a preliminary sample has at least 30 members. n = (Round up to the nearest whole number.)