Use the Table to Find the Probability If a Flight Is Selected at Random, Find the Probability

question 249

Multiple Choice

Use the table to find the probability.
-The following table contains data from a study of two airlines which fly to Small Town, USA. $\begin{array}{c|cc} & \begin{array}{c}\text { Number of flights } \\\text { arrived on time }\end{array} & \begin{array}{c}\text { Number of flights } \\\text { arrived late }\end{array} \\\hline \text { Podunk Airlines } & 33 & 6 \\\text { Upstate Airlines } & 43 & 5\end{array}$

If a flight is selected at random, find the probability that the flight will arrive on time and that they fly with Upstate airlines.

• A) \(\frac { 11 } { 76 }\)
• B) \(\frac { 43 } { 76 }\)
• C) \(\frac { 43 } { 87 }\)
• D) None of the above is correct.

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Definitions:

Matched Pairs Experiment

A statistical experiment design in which subjects are paired based on certain characteristics, and then alterations are made to only one member of each pair for comparing outcomes.

Randomized Block Design

A statistical experiment design that aims to reduce the effects of variability among experimental units by grouping them into blocks.

SSB

In the context of ANOVA, SSB refers to the Sum of Squares Between groups, which helps in assessing the variability between different groups.

Fixed-Effects ANOVA

A statistical method used to analyze the differences among group means in a sample where the groups are defined by some fixed factor.