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March 20, 2026, 06:31:29 pm
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Author Topic: Probability Z Values  (Read 923 times)  Share 

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lakvinu

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Probability Z Values
« on: November 07, 2019, 08:10:30 pm »
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Hello,

I'm just wondering what Z values do we need to know. For example, 1.96 is 95%. Can someone list the ones that we require pls.
Thanks . The exam is tmr so if u can tell it quickly it would be helpful
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Sine

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Re: Probability Z Values
« Reply #1 on: November 07, 2019, 08:25:23 pm »
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Quote from: lakvinu on November 07, 2019, 08:10:30 pm
Hello,

I'm just wondering what Z values do we need to know. For example, 1.96 is 95%. Can someone list the ones that we require pls.
Thanks . The exam is tmr so if u can tell it quickly it would be helpful
I think the 1.96 z value for 95% CI is the only one on the study design but two other common ones in statistics are 90% and 99% which are worth remembering imo.
The values are 1.64 and 2.58 (to two decimal places respectively). I would double-check these though.
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