The Table Below Shows the Frequency of Outcomes When Two

question 173

Multiple Choice

The table below shows the frequency of outcomes when two distinguishable coins are tossed 4,000 times and the uppermost faces were observed. What is the estimated probability that the second coin lands with heads up $$\begin{array} { | l | l | l | l | l | } \hline \text { Outcome } & \text { HH } & \text { HT } & \text { TH } & \text { TT } \\\hline \text { Frequency } & 900 & 750 & 1,200 & 1,150 \\\hline\end{array}$$

• A)0.2875
• B) 0.225
• C) 0.475
• D) 0.46
• E) 0.525

---

Definitions:

Paired-Difference Experiment

An experimental design where two treatments are applied to the same subjects to assess the difference in outcomes.

Data

Information collected for reference or analysis, which can be qualitative or quantitative in nature.

Null Hypothesis

A statement in hypothesis testing that there is no effect or no difference, and it is the hypothesis that researchers aim to test against.

Precision Instrument

A tool or device designed to measure or record quantities with high accuracy and minimal error.