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Mathematics, 29.05.2021 01:50 kenleighbrooke67

A software engineer is creating a new computer software program. She wants to make sure that the crash rate is extremely low so that users would give high satisfaction ratings. In a sample of 400 users, 20 of them had their computers crash during the 1-week trial period. Required:
a. What is the sample size?
b What is the 95% confidence Intarval for p?

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