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4) a. A group of hospitals identified that they receive an average of (B + A) Covid-patients per day. Assume the standar
Posted: Sun Sep 05, 2021 5:20 pm
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- 4 A A Group Of Hospitals Identified That They Receive An Average Of B A Covid Patients Per Day Assume The Standar 1 (20.7 KiB) Viewed 331 times
4) a. A group of hospitals identified that they receive an average of (B + A) Covid-patients per day. Assume the standard deviation is 10. A random sample of 49 days was chosen. Find the 95% confidence interval. (12 Marks) b. A study of (10 + A) students discovered the 8 years as standard deviation of their ages. Suppose the variable is normally distributed. Find 90% confidence interval for the variance. (12 Marks)