Question

Determine the critical value za/2 that corresponds to the given level of confidence.

88% and 95%

Step 1

The given confidence levels are 88% and 95%.

Step 2

**Critical value for 88% level of confidence:**

The critical value is obtained as ±1.55 from the calculation given below:

Step 3

**Critical value for 95% level of confidence:**

The critical value is obtained...

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