Question: 1. Supposed that the z is the test statistics for hypothesis testing, calculate the value of the z for each of the following. Express your

1. Supposed that the z is the test statistics for hypothesis testing, calculate the value of the z for each of the following. Express your answer in 2 decimal places. = 8.5, = 4, n = 99, x = 7.2

2. Supposed that the z is the test statistics for hypothesis testing, calculate the value of the z for each of the following. Express your answer in 2 decimal places. = 25, = 5, n = 80, x = 23.4

3. Given =0.05 and the test statistics, decide whether the null hypothesis is to be rejected or accepted: 3.31

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