(The pulse rates of 150 randomly selected adult males vary from a low of 43 bpm to a high of 115 bpm.Find the minimum sample size required to estimate the mean pulse rate of adult males. Assume that wewant 90% confidence that the sample mean is within 3 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.)PMPMPMPMM 1

Given,Minimum value = 43 bpmMaximum value = 115 bpmConfidence level, C = 90% = 0.90Margin of error,…

Answered: The pulse rates of 150 randomly…

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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estimate the population proportion p,what is the minimum sample size we need in order to achieve a margin of error no more than 0.01 with a 95% cinfidence level? Similar study in the past suggest an guess of 0.1 for the value of p.
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Assume that you want to test the claim that the paired sample data come from a population for which the mean difference is Hd = 0. Compute the value of the t test statistic. Round intermediate calculations to four decimal places as needed and final answers to three decimal places as needed. 28 31 20 25 28 27 33 35 y 26 27 26 25 29 32 33 34 X OA. t= -1.185 OB. t= -0.523 OC. t= -1.480 OD. t= -0.690 2 PE 7 2 W Z S x H mmand I E D с 4 1 R F D % L T G 6 B Y 3 I H N U J . 8 I M ( 9 K I O H 2 O L P command Time Remaining: 01:12:18 ; x ( option ? "1 I . Next return
The pulse rates of 153 randomly selected adult males vary from a low of 35 bpm to a high of 99 bpm. Find the minimum sample size required to estimate the mean pulse rate of adult males. Assume that we want 95% confidence that the sample mean is within 3 bpm of the population mean. Complete parts (a) through (c) below. a. Find the sample size using the range rule of thumb to estimate ơ. n = (Round up to the nearest whole number as needed.) b. Assume that o = 12.3 bpm, based on the value s = 12.3 bpm from the sample of 153 male pulse rates. n = (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 Enter your answer in each of the answer boxes. ? MacBook 乡 DII DD F12 000 000 80 F9 F10 F11 F6 F7 F8 esc F3 F4 F5 F1 F2 & ( ) ! @ # 2$ 2 3 4 5 7 8 9 1 { P W E R Y U [ + II
Find the standardized test statistic estimate, z, to test the hypothesis that p, > p,. Use a= 0.01. The sample statistics listed below are from independent samples. Round to three decimal places. Sample statistics: n, = 100, x, = 38, and n2 = 140, X2 = 50 %3D %D O A. 0.638 B. 0.362 O C. 2.116 D. 1.324 S ting Click to select your answer. Type here to search hp 近
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Determine the minimum sample size required when you want to be 95% confident that the sample mean is within two units of the population mean and = 4.3. Assume the population is normally distributed. n =
Calculate the 1. Population and sample skewness, add interpretation 2. Exact and excess sample kurtosis, add interpretation
(Round up to the nearest whole number as needed.)
The reaction times for a random sample to a stimulant were recorded as 2.5, 3.6, 3.1, 4.3, 2.9. 2.3, 2.6, 4.1, and 3.4 seconds. Calculate the median. O 4.1 O 3.1 O 2.9 3.33333
We will obtain a sample of quarters and weigh them to determine the mean. How many quarters must we randomly select and weigh if we want to be 99% confident that the sample mean is within 0.025 grams of the true population mean for all quarters? Assume that σ = 0.2 grams

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