Use Estimation to Select the Best Response

question 151

Short Answer

Use estimation to select the best response. Do not calculate.
Which of the following is more probable?
Obtaining at least 3 heads in 5 flips of a coin or
Obtaining at least 3 heads in 6 flips of a coin or
They are equally probable

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Definitions:

Mean

The average of a set of numerical values, calculated by adding all the figures together and then dividing by the number of values.

Population Standard Deviation

Square root of the population variance that represents the average deviation of a score from the population mean.

Confidence Interval

Re-formulated: An estimate expressing the degree of uncertainty or certainty in a sampling method.

Mean

The average of a set of numbers, calculated by dividing the sum of these numbers by the count of numbers.