A new rocket-launching system is being considered for deployment of small, short-range rockets. The existing system has p = 0.8 as the probability of a successful launch. A sample of 40 experimental launches is made with the new system, and 34 are successful. a. Construct a 95% confidence interval for p. b. Would you conclude that the new system is better? Ans: A. 0.7393 < p < 0.9607 B. No

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