Mathematics, 20.07.2019 01:30, osuigwewhitney487

Asample 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): s s t s s c h c t h c t s s s h t t s c (a) estimate the true proportion of all such students who own a texas instruments calculator. (b) of the 5 students who owned a ti calculator, 2 had graphing calculators. estimate the proportion of students who do not own a ti graphing calculator.

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Asample of 20 students who had recently taken elementary statistics yielded the following informatio...