Problem

A sample of 20 students who had recently taken elementary statistics yielded the followi...

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):

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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Solutions For Problems in Chapter 6

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