Transcribed Image Text: Problem 3. Two different rifles are tested at the shooting range. 190 shots were fired from the first rifle and the target
Transcribed Image Text: Problem 3.
Two different rifles are tested at the shooting range. 190 shots were fired from the first rifle
and the target was hit 158 times. 140 shots were fired from the second rifle, with 107 hits.
Use the z-values rounded to two decimal places to obtain the answers.
a. Is it reasonable to conclude that both rifles have the same accuracy? Use a = 0.05. Find the
P-value for this test.
b. Construct a 95% confidence interval for the difference in the two rifles accuracy.
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