chapter 8 question 9 suppose a simple random sample of size n=49 is obtained from a population that is skewed right with u=79 and sigma=7. a. I answered this.  the distribution is approximately normal. b. ux= 79, sigma x = 1. what is p (xbar greater than 81)  _________________ what is p (xbar less than or equal 76.85) ______________ what is p (78.4 less than x less than 81.05) ____________

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