2. A sample of 20 students who had recently taken elementary statistics yielded the following information on
Question:
2. A sample of 20 students who had recently taken elementary statistics yielded the following information on brand of calculator owned (T Texas Instruments, H Hewlett Packard, C Casio, S Sharp):
TTHTCTTSCH SSTHCTTTHT
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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Sandhya Sharma
I hold M.Sc and M.Phil degrees in mathematics from CCS University, India and also have a MS degree in information management from Asian institute of technology, Bangkok, Thailand. I have worked at a international school in Bangkok as a IT teacher. Presently, I am working from home as a online Math/Statistics tutor. I have more than 10 years of online tutoring experience. My students have always excelled in their studies.
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Related Book For 
Probability And Statistics For Engineering And The Sciences
ISBN: 9781111802325
7th Edition
Authors: Dave Ellis, Jay L Devore
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