Question

egin{tabular}{|l|c|c|c|} hline Number of on-time departures & 0 & 1 & 2 \ hline Observed number of days & 10 & 80 & 110 \ hline end{tabular}

          egin{tabular}{|l|c|c|c|}
hline Number of on-time departures & 0 & 1 & 2 \
hline Observed number of days & 10 & 80 & 110 \
hline
end{tabular}

Added by Harizz K.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Jason Huang

08/09/2022

Step 1

8. Expected frequency for 0 on-time departures: 0.04 * 200 = 8 Expected frequency for 1 on-time departure: 0.32 * 200 = 64 Expected frequency for 2 on-time departures: 0.64 * 200 = 128 Show more…

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Two commercial flights per day are made from a small county airport. The airport manager tabulates the number of on-time departures for a sample of 200 days. What is the χ2 statistic for a goodness-of-fit test that the distribution is binomial with probability equal to 0.8 that a flight leaves on time?