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Using this value of the test statistic, carry out the test at the 5% significance level.

The test statistic, z, has a value of 1.786 correct to 3 decimal places

wow i did this in my A Level which was 1 year ago. damn couldn't remember much. LOL

Let me look thru my notes.

How do you get the (>1.645) I understand the others...

Ah Ok. Thanks :D

I\ll write more questions soon. If you can, please help! :D I love your explanations!