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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):

C S T C C S T T S CC T T T H H S S C Ha. Estimate the true proportion of all such students who own a Texas Instruments calculator.

Answer :

Answer:

The best estimate for the true proportion of all such students who own a Texas Instruments calculator is 0.3.

Step-by-step explanation:

The estimate of the true proportion of all students who own a Texas Instruments calculator is the number of students who own a Texas Instruments Calculator divided by the total number of students.

6 students own a Texas Instruments Calculator

20 total students

p = 6/20 = 0.3

The best estimate for the true proportion of all such students who own a Texas Instruments calculator is 0.3.

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