1. 20 problems
2. If confidence level is not given, assume 95%
3. Please show calculation using formula and using appropriate z table, student's t table, or Poisson table, etc.
See attached file for full problem description.© BrainMass Inc. brainmass.com October 24, 2018, 9:34 pm ad1c9bdddf
The solution provides step by step method for the calculation of hypothesis testing problems . Formula for the calculation and Interpretations of the results are also included.
One and Two Tailed Tests: Hypothesis Testing Problem
Ho: u = 50
H1: u not = 50
The sample mean is 49, and the sample size is 36. the population standard deviation is 5. Use the .05 significance level.
a. Is this a one or two tailed test.
b. What is the decision rule?
c. What is the value of the test statistic?
d. What is your decision regarding Ho?
e. What is the p-value? Interpret it.