Mathematics, 16.12.2021 02:10 llamasking

An SRS of 100 flights of a large airline (airline 1) showed that 64 were on time. An SRS of 100 flights of another large airline (airline 2) showed that 80 were on time. Let p1 and p2 be the proportion of all flights that are on time for these two airlines. Is there evidence of any difference between the on-time rates for the two airlines. Required:
a. Is there evidence of a difference in the on-time rate for the two airlines?
b. The P-value of this test is:

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An SRS of 100 flights of a large airline (airline 1) showed that 64 were on time. An SRS of 100 flig...