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In: Statistics and Probability

Question1: All ANSWERS SHOULD BE HANDWRITTEN AND DIAGRAMS PROVIDED. DRAW A SQUARE AROUND THE FINAL ANSWER....

Question1: All ANSWERS SHOULD BE HANDWRITTEN AND DIAGRAMS PROVIDED. DRAW A SQUARE AROUND THE FINAL ANSWER.

  1. The value of zα/2 when determine the 92% confidence interval for p.
  2. The decision rule (aka, the rejection region) for testing the following pair of hypotheses at the .05 level of significance when the population standard deviation is unknown and a random sample of size 28 is taken.

H0: µ = 18

Ha: µ < 18

  1. The value of tα/2 when determine the 99% confidence interval for µ when the sample standard deviation of the population is unknown and a sample size of 35 was taken from a normally distributed random variable
  2. P(Y > 57) where Y has a normal distribution with µ = 64 and σ = 7.

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