Mathematics, 18.07.2020 21:01 DIGlBICK9402

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):H T T S S S H T T TS H S S C H C H C T(a) Estimate the true proportion of all such students who own a Texas Instruments calculator.(b) Of the 6 students who owned a TI calculator, 5 had graphing calculators. Estimate the proportion of students who do not own a TI graphing calculator.

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