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Do one of the following, as appropriate (a) Find the critical value Z a/2 , (b) Find the critical value t a/2 , (c) state
Do one of the following, as appropriate (a) Find the critical value Za/2, (b) Find the critical value ta/2, (c) state that neither the normal not the t distribution applies.
Confidence level 95%, , Standard deviation is known, population appears to very skewed. Find the critical value. Please show work
- (a) Za/2 = 2.055
- (b) Ta/2= 2.214
- (c) Ta/2 = 2.552
- (d) Za/2 = 2.33
- (e) Neither normal or t distribution applies.
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