Estimate the true proportion of all such students who own a

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Reference no: EM13628083

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):

T	C	S	S	T	T	H	S	T	T
C	T	T	H	H	T	C	C	T	S

(a) Estimate the true proportion of all such students who own a Texas Instruments calculator.

(b) Of the 9 students who owned a TI calculator, 4 had graphing calculators. Estimate the proportion of students who do not own a TI graphing calculator.

Reference no: EM13628083

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