launch: this numbers the temperature-sorted observations from 1 to 23. temp: tem

Question

launch: this numbers the temperature-sorted observations from 1 to 23. temp: temperature in degrees Fahrenheit at the time of launch incident: If there was an incident with an 0-Ring, then it is coded "Yes." o_ring_probs: counts the number of O-ring partial failures experienced on the flight. What was the overall failure probability How many failures occurred below 65 degrees F Assume that the launches represent a sequential sample (independent events). What is the probability that you would see this many failures or more

Explanation / Answer

Overall failure probability is = no.of failures/total events = 7/23

4 failures occured below 65 degrees F

Probability of many failure or more (here there are 7 failures) = P(X>=7) = 1-BINOMDIST(6,23,1/2,6)=1-0.017345=0.982655

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