A sample of 20 students who had recently taken elementary statistics yielded the following information on the
Question:
A sample of 20 students who had recently taken elementary statistics yielded the following information on the brand of calculator owned (T = Texas Instruments, H = Hewlett Packard, C = Casio, S = Sharp): TTH TCTTSCH SSTH CTTT HT
a. Estimate the true proportion of all such students who own a Texas Instruments calculator.
b. Of the 10 students who owned a TI calculator, 4 had graphing calculators. Estimate the proportion of students who do not own a TI graphing calculator.
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Jonas Araujo
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Related Book For 
Probability And Statistics For Engineering And The Sciences
ISBN: 9781133169345
8th Edition
Authors: Jay L Devore, Roger Ellsbury
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